五年級(jí)上冊(cè)小數(shù)口算練習(xí)題

__________________________________________________一、2.5÷5=50÷0.01=8=0.012×107.5×200=5÷0.005=5=32.08+0.01.8÷9=78÷0.01=0.005×407=0.18÷0.97.005-3.5=0.75+10.00==二、9.6÷0.1=0.023×100.12×10=356-98=8.05÷0.100=600÷30=125×8=41×100=7.59÷1000.1÷0.018800÷400====150+70=三、10×10.002=4.8÷0.167.2÷0.9=2=25.25-0.2=8.4÷0.4=5.06+0.5651=0÷3.89==3÷0.5=1.5÷0.3=61.21-5.210÷25=1.8×5=四、0÷3.5=0.9×0.3=1×0.06=9×0.5=____________________________________________________________________________________________________1.25×8=0.35×0.250÷1000=14.1-10.02.6×3==45.03+0.52=4.1×2=0.25÷40=2=五、5.6÷0.8=4.2×3=9=5.6÷1.4=3.2×0.4=58.02+1.00.48÷0.80.3÷0.0103====125×0.004.4÷0.114÷0.5=08==87.01+0.91.25×0.8六、6－0.025=35.06-23.71.1÷0.15400÷5=3.6＋6.3=12==0.05×4=71.1-0.0171.1+0.01550－450=200×34=3.5×0==七、=180÷600=2700÷30=4.68+7.107.71-2.696.07-1.6945×1.4===8÷100=9.63+6.289.91-8.745.00+6.1389÷100=====____________________________________________________________________________________________________8.24-7.63=5.21+5.49=八、40×0.25=3.5÷0.010.35÷0.02.5×0.4=4×0.4==7.5÷0.253.5×0.018.2＋1.8=100－1=2.4×5===4.2÷0.7=35÷1000=35.22=九、0.22×4=0×3.52=2.5÷0.5=30.4÷4=0.9－2.5÷5=8.4÷0.7=1.2×6=0.52=8.4÷7=0.34÷0.13.99×1=0.34÷17=7=十、0.72÷0.60.001÷0.===1=400×0.002.6÷1.3=1.4÷0.7=5=0.6×0.3=3.6÷0.0612.5×0.10÷3.65===7.82÷1=80×0.12512.5÷0.1一、____________________________________________________________________________________________________50×0.002200×0.00=0.01÷1=0.9÷0.457.5÷1.5=0.81÷9==1=2.5×0.015.1÷0.17===9.6÷16=400×0.040.28÷1.441÷0.01=二、7.5×0.1=3.5÷0.5=12.5×4=0.9×0.3=1×0.06=0.2×0.4=0.3÷0.1=0.35÷0.09×0.5=4.5÷0.9=011.25×8=2.5×4=三、4.5×2=48＋1.6==4.007-0.07.8+0.22=1.1×40=0.36×0.09=3.4×0.4=2.2×6=1=12.6－138－8.9=75.35-23.0.9=四、0.35÷0.104=27÷0.027=50.1+21.5==2.004÷0.1=273×1=2.1÷0.012=0.82+0.080.63×10=____________________________________________________________________________________________________4÷10=0.56+0.4=1-0.93=17÷1000=80×25=五、1.25×10051÷0.00154÷1000====25.23+0.75.6+99=35×0.0017=40100÷25=98.54-63.=54÷0.1=45=90-0.9=54×0.1=30÷0.003六、612÷6==7.78-5.15=12×80=8.95-0.73=7.39-7.031.5×100==8.38+4.25=840÷40=3.61-0.30=8.56-7.528.94-6.73=七、7.82-2.37=3×2.4=9.21-8.208.06-6.963.50-2.5492÷46===8.1÷9=6.88-0.492.76-1.020.66+9.272.5×4=====____________________________________________________________________________________________________8.99-8.84=3.18-2.65=八、6.39+9.316.77-4.799.45-3.015.43+4.85====4.83-1.340.94+3.400.09+0.878.16+3.44====5.75-1.243.54+7.843.08-0.918.14-5.89====九、2.5÷5=50÷0.01=8=0.75+10.00.012×107.5×200=5÷0.005=5=0=32.08+0.01.8÷9=78÷0.01=0.005×407=0.18÷0.97.005-3.5=5.00+6.13==十、4.68+7.10==9.91-8.74=40×0.25=9.63+6.28=8.24-7.634×0.4=6.07-1.69=7.5÷0.255.21+5.49==7.71-2.69=____________________________________________________________________________________________________4.2÷0.7=一、4.5×2=48＋1.6==4.007-0.07.8+0.22=1.1×40=0.36×0.09=3.4×0.4=2.2×6=1=12.6－138－8.9=75.35-23.0.9=0.35÷0.104=二、8.2＋1.8=2.4×5=3.99×1=0.34÷17=100－0.22×4=0×3.52=2.5÷0.5=35.22=0.9－2.5÷5=2.5×0.4=0.52=8.4÷7=三、1.25×8=0.25÷40=2=4.4÷0.112.6×3=50÷1000=5.6÷0.8==4.1×2=45.03+0.55.6÷1.4=0.35×0.22=0.48÷0.8=14.1-10.0=四、48＋1.6=1.1×40=2.2×6=138－8.9=____________________________________________________________________________________________________0.35÷0.11=4.007-0.00.56+0.4==75.35-23.9=80×25=0.36×0.004=17÷1000=1-0.93=五、1.25×10090-0.9=54÷0.1=2.5×0.4==51÷0.00154×0.1=2.4×5=5.6+99==40100÷2535×0.001100－8.2＋1.8===35.22=六、0.22×4=0×3.52=0.1÷20=98.54-63.0.9－20÷0.1=54÷1000=45=0.52=20÷0.1=25.23+0.730÷0.0033.99×1=1÷20=7=七、=612÷6==7.78-5.15=12×80=8.95-0.73=7.71-2.691.5×100==4.68+7.10=840÷40=3.61-0.30=9.91-8.748.94-6.73=9.63+6.28=____________________________________________________________________________________________________八、1×0.001=1=10.1-0.898.1-5.1=0.728-0.21÷0.001=3.4-1.4==0.001÷1=7.82-7.2=0.68+0.424=0.001÷0.2.19+9.1==九、0.8+0.18=0.89-0.255×400=1+3.89===19.9+11.10.081×100.8×7=1-0.98==0.048+0.5187÷100075÷10==1.5×7=2==0.96÷0.8十、1.32×8=0.9×0.3=0.13×7=0.05×4=0.7×8=3.5×0.2=0.21×10010.3×2=2.01×0==5×0.6=10×0.05=0.7×4=一、4×0.3==7200÷8000.83-0.6=17×300=430-250=1.02-0.09=0.17+0.06=0.17+0.6=0.98-0.09____________________________________________________________________________________________________600×700===0.2+0.78=10.2+0.02二、0.15+0.7=8500÷50025×100=0.35+0.5=670+250==3.2-0.32=10.2+0.2=3.2-3.2=2+2.8=9.2-6=3.7+2.3=380-290=三、0.35+0.633.8+0.38=0.95-0.053+0.3==7500÷250=630÷9=3500÷70==450+780=4.5-0.4=3.1+3=四、3.8+1=3.1+0.3=9.5-5=9.5-0.5=0.47+0.130.95+0.05330×9=3.5+2.4==9.53-1.531-0.95=4.5+4=2.5+3.2===0.3+0.27=4-0.6=五、0.74+0.1623×100=480÷40===9.8-4.8=0.53÷1005.1+2.3=____________________________________________________________________________________________________125×80==70×12==0.078÷100.52+0.4=0.25×1003.4-2.8=六、0.6-0.37=1-0.75=13.5+6.5=21.6-12.60.052×100.5×10003.05×100====63÷100=10+0.08=0.82+0.3=1.2-0.8=0.83-0.5=七、0.76+0.140.72-0.433.5+4.8=0.47+0.23==3.5+2.4==80÷1000=30×100=5+0.07=0.25+0.752.7+0.4=0.92-0.2=1-0.61==八、3.7+0.33=8-4.6=0.51+0.335.8-3.6=3.4-2.8=10+0.08=0.52+0.4=9.53-1.534.5-1.3=8.8-6.7==1-0.6=6.45+5.5==九、9.5-7.3=7.82+0.3=9.5-7.3=3.4-2.8=7.2+0.8=8.8-6.7=1-0.95=0.96-0.35____________________________________________________________________________________________________===0.83-0.5=9.53-1.530.25+0.751.2-0.8=十、2.7+0=0.4×50=0.35×0.20.5×10=12.5×8=30×0.1==2.3×4=2.6×3=7.5×0.1=3.25×0=4.1×2=2.5×2=0.6×8=一、2.8×10=7.2×0.8==0.7×0.8=6×3.4=0.02×0.55.6+0.4=0.62-0.32=4.7+2.3==3.6×0.3=4.5×2=0.75×1005.6×100=二、0.75÷0.20.56÷28=3.6÷24=5.2÷13=5=0.36÷0.40.8×1.1=1.64+4.1=0.125×8==46.7-3.8=0.86÷2=0.7×9=12.8÷4=三、____________________________________________________________________________________________________10÷20=4.7+2.3=6×3.4=0.75×10024÷15=4.5×2=0.62－=0.35×0.66.9－2.5=0.32=0.02×0.5=7.2×0.8=1.4×0.5==四、3.6÷0.3=5=6.3÷7=0.125×8=0.36÷0.40.72÷3.65.6÷100=4.8÷0.3==0.56÷28===0.75÷0.20.96÷2=0.64÷0.83.6÷24=五、0.8×1.1=12.8÷4=10÷20==7.2+12.8=5.2÷13=24÷15=3.08×0.046.7－12.5÷5=8.65×10=1=3.8=1.64÷41=0.35×0.6六、4.95×10010.8÷9=9.65÷0.10.56÷0.70=9.6÷0.8===6.9×0.1=0.108÷2=0.325×100.4×0.5=4.95÷0.90=2.4÷0.8==2.5×8=____________________________________________________________________________________________________七、0.125×4=0.01×0.11.25×0.8=3.28×0.1=0.25×0.43.2÷0.043.9÷0.13=1.6÷0.8=0÷1.7=====7.2×0.1=1÷2.5=0.22×102八9÷0.25÷4=0.25×3.97×4=（1.2＋8.8）×0.4=0.2×40.5=4.7+2.3=2.5=4.5×2=6.9－7.2×0.8=6×3.4=0.62－0.32=1.4×0.5=九、0.02×0.5=5.6÷100=0.75÷0.25=4.8÷0.3=0.56÷28=0.75×100=3.6÷0.3=0.96÷2=6.3÷7=0.125×8=0.36÷0.4=____________________________________________________________________________________________________0.64÷0.8=0.72÷3.6=十、2.4×0.5=0.8×1.1=7.2+12.8=46.7－3.8=5.2÷13=12.8÷4=1.64÷41=10÷20=0.35×0.6=一、3.08×0.01=6.9×0.1=12.5÷5=8.65×10=24÷15=4.95×1000=10.8÷9=9.65÷0.1=0.4×0.5=0.108÷2=2.5×8=2.4÷0.8=9.6÷0.8=4.95÷0.9=0.325×100=二、0.56÷0.7=3.28×0.1=7.2×0.1=0.125×4=3.9÷0.13=1.6÷0.8=0.01×0.1=0.25×0.4=____________________________________________________________________________________________________1÷2.5=1.25×0.8=3.2÷0.04=三、0÷1.7=9÷0.25÷4=＋8.8）×0.4=5.6÷1.4＝4.4÷0.11＝4.2×3＝0.3÷0.01＝4÷0.5＝0.25×3.97×4=（1.20.48÷0.8＝3.2×0.4＝5.1÷0.17＝0.28÷1.4＝四、0.9÷0.45＝1÷0.01＝0.01÷1＝0.81÷9＝3÷0.5＝9.6÷16＝7.5÷1.5＝10÷25＝4.8÷0.16＝0÷3.89＝37.2×99＋37.2=3.52÷1＝____________________________________________________________________________________________________五、6.4÷4﹦1×0.4÷1×0.4=1.8×5﹦25×4÷0.25×4=2.2×6﹦9÷5－1.9÷5﹦4.5÷0.9﹦25×3.3×0﹦六、1.5÷0.3﹦7.2÷0.9﹦8.4÷0.4﹦2.5×4﹦2.5×4﹦37.2×99＋37.2﹦4.5×2=0.3÷0.1﹦7.8+0.22=2－0.64－0.36﹦3.4×0.4=12.6－0.9=0.42÷7=2－1.64－0.36﹦1.2÷0.04=1.25×3.3×0﹦七、0.9＋2.01=2.97÷100=____________________________________________________________________________________________________20－3.7－7.3=6.3+7=2.19＋9.1=9.8-0.98=5×0.75÷1.5×0.75=0.65×0.2=1-0.1×0.1=0.7+3=1.2×0.8=0.9×7+10.7=八、6.3÷0.021=6.8-2.4÷3=5×0.7=1.5÷0.03=0.43×5=8.1-2.2=9.4×0.2=8.8÷0.4=3.6÷0.9-4=3.6-0.36=0.6÷0.3+0.5=6.8＋8.6=1.8÷0.9×0.5=2－1.08=(1.6+0.5)÷5=一、43×0.01﹦3.72×0.2=____________________________________________________________________________________________________0.7×8-0.6=99＋0.1﹦6×0.125×8=1.9×4﹦3.2-2=8.8÷0.11=1.8×40=4×1.2×0.25=0.125×8﹦2.5-3.6÷1.8=二、2.3÷0.1﹦12-0.05×4=4.2×3﹦8×5.1=2.01÷3=3.72÷4=2.32-0.4=16-4.5-5.5=1.8÷0.3＝13-0.5-4=1.1×0.7=1.9+5.1÷51=三、3.2×50=3.2×0.5=1.29÷3=1×0.01÷0.1=1.25÷0.5=____________________________________________________________________________________________________7.2-1.2+6.7=1.2×3=2-0.8=55×0.06=0.01×100=0.52+0.08=四、2÷5=8×0.03=30×0.01=1.2-0.9=0.54÷0.6=20×0.4=2.8+10.2=0.8+0.2=五、0×1.22=0.6×5=1÷0.05=0.26×0.3=7-0.9=0.55+0.3=16÷0.4=15.3-10=3.3+7=0.14×5=6÷10=2.5×4=0.86+2.1=40.37+4=3.2÷0.8=10.7-5.7=六、0.45+0.55=6.4÷8=24÷2=96÷6=____________________________________________________________________________________________________78÷3=78÷2=4=48÷48÷3=28×2=12×5=3×26=16×4=48×2=3×19=27×3=4×24=24－8=七、67－59=17=45－28=54－12×3=15×6=14×4=37×2=36÷3=56÷4=130－50=90÷6=74÷2=26=53－100－37=95－57=八、36÷12=90÷15=56÷14=74÷37=48÷16=15×5=76÷2=90÷45=12×7=5×14=64÷4=6×16=91÷7=84÷6=60÷12=____________________________________________________________________________________________________九、96÷24=560÷70=770－70=－35=320÷40=14×7=450÷90=51＋49=83－18=8904×24=32÷2=96÷8=85÷5=64÷16=70÷35=一、25×4=52=6×15=48＋70÷14=5×14=80÷20=60012×30=27=73＋1440×20=＋86=480÷80=＋40=150÷50=630÷70=36÷2=二、550÷5=16×3=15×6=13×4=300÷60=70÷5=2×45=54+87+13=39+144+61=567+299=____________________________________________________________________________________________________327－198=5=27×4×5=18×35=32×215×28×2=三、32×30=22×30=6×201=17×5=4×60=4500÷900=14×201=4200÷20=32×20=四、170+90=80÷16=4800÷40=2500÷50=16×5=67×4=2400÷40=25×16=3600÷60=87÷3=48×9=696÷3=125×6=48×25=780÷20=72－45=36085=25=五、80－720÷45÷2=35×8=3000+200=48×1－____________________________________________________________________________________________________4=420÷35÷2=78÷2=6×85=25×32=45÷15=45×12=69÷23=12×5=67+25=710－420=22×8×5=50×90=6300÷30=690－420=六、3000÷5＝120÷4＝240÷8＝17×5＝32×3＝16×627×3＝18×4＝19×5＝＝17×4＝88÷8＝17×3＝＝14×5＝七、16×4＝200×63.4－7.82－2.19＋1.4=7.2=9.1=10.1－0.89=＋0.42=0.688.1－____________________________________________________________________________________________________5.1=0.728－0.24=＋0.18=0.25=0.80.89－1－＋0.98=0.0480.52=5×400=八、19.9+11.1=87÷1000=3.89=11+0.081×10=75÷10=0.96÷0.8=0.8×7＝1.5×7＝1.32×8＝____________________________________________________________________________________________________0.7×8＝10.3×2＝＝5×0.6九、0.9×0.3＝3.5×0.2＝2.01×0＝10×0.05＝0.13×7＝0.21×100＝0.7×4＝0.05×4＝4×0.3＝12.5×8＝2.3×4＝3.25×0＝一、____________________________________________________________________________________________________0.4×50＝30×0.1＝2.6×3＝4.1×2＝0.35×0.2＝17.5×0.1＝－0.08＝3.5×0.01＝1.25÷0.25＝0×9.8＝3.9＋0.39＝二、0.5×0.4＝4.8＋5.2＝4÷0.253÷4＝＝8.1÷9＝2.5×4＝6－0.025＝____________________________________________________________________________________________________＋3.66.30.05×4＝＝0÷3.53.5×0＝＝＝三、0.9×0.31×0.06＝9×0.5＝＝4.1×21.25×82.6×3＝＝＝0.9×0.3＝＝1.25×8＝＝四、0.35×0.27.5×0.1＝1×0.069×0.5＝0.2×0.48.2＋1.8＝____________________________________________________________________________________________________100－35.22＝2.5×0.4＝2.4×5＝0.22×4＝0.52＝0×3.520.9－3.99×1＝＝2.5÷58.4÷7＝2.5÷0.5＝0.34÷17＝＝8.4÷0.7＝五、0.34÷0.17＝＝30.4÷41.2×6＝2.6÷1.30.72÷0.6＝＝0.6×0.30÷3.65＝＝7.82÷10.001÷0.1＝1.4÷0.7＝3.6÷0.06＝5.6÷0.9＝六、____________________________________________________________________________________________________5.6÷1.4＝0.48÷0.84.4÷0.11＝＝4.2×3＝3.2×0.4＝0.3÷0.01＝4÷0.5＝5.1÷0.170.28÷1.4＝9.6÷16＝0.9÷0.45＝＝1÷0.01＝七、5.6÷1.4＝＝0.48÷0.84.4÷0.11＝3.2×0.44.2×3＝＝0.3÷0.01＝4÷0.5＝5.1÷0.170.28÷1.4＝9.6÷16＝0.9÷0.45＝____________________________________________________________________________________________________＝1÷0.01＝八、0.01÷1＝＝3÷0.5＝＝0÷3.89＝＝一、6.4÷4﹦﹦7.5÷1.50.81÷9＝10÷254.8÷0.16＝3.52÷137.2×99＋37.2=1.5÷0.31×0.4÷1×0.4=7.2÷0.91.8×5﹦﹦25×4÷0.25×4=8.4÷0.42.2×6﹦﹦9÷5－1.9÷5﹦2.5×44.5÷0.9﹦﹦25×3.3×0﹦二、2.5×4﹦﹦0.3÷0.137.2×99＋37.2﹦____________________________________________________________________________________________________4.5×2=2=7.8+0.22－0.64－0.36﹦12.6－3.4×0.4=0.9=2－1.64－0.36﹦1.2÷0.04=0.42÷7=1.25×3.3×0﹦三、0.9＋2.01=2.97÷100=20－3.7－7.3=6.3+7=9.1=2.19＋5×0.75÷1.5×0.75=0.65×0.2=9.8-0.98=1-0.1×0.1=0.7+3=.8=1.2×00.9×7+10.7=四、6.3÷0.021=1.5÷0.03=____________________________________________________________________________________________________6.8-2.4÷3=5×0.7==0.43×53.6÷0.9-4=3.6-0.36=8.1-2.2=0.6÷0.3+0.5=6.8＋8.6=9.4×0.2=1.8÷0.9×0.5=五、2－1.08=8.8÷0.4=(1.6+0.5)÷5=43×0.01﹦3.72×0.2=0.7×8-0.6=99﹦＋0.13.2-2=6×0.125×8=1.9×4﹦8.8÷0.11=____________________________________________________________________________________________________4×1.2×0.25=六、0.125×8﹦1.8×40=2.5-3.6÷1.8=2.3÷0.1﹦8×5.1=12-0.05×4=4.2×3﹦2.01÷3=16-4.5-5.5=1.8÷0.3＝3.72÷4=13-0.5-4=七、1.1×0.7=.32-0.4=21.9+5.1÷51=3.2×50==3.2×0.51×0.01÷0.1=____________________________________________________________________________________________________1.25÷0.5=1.29÷3=7.2-1.2+6.7=25×4=0.4×2.5=125×8=八、0.8×12.5=20×0.02=15×0.3=0.32×0.3=3.6×0.5=0.2×0.5=3.6×0.2=0.5×0.6=0.38×0.5=2.3×0.3=一、0.4×0.25=0.16×6=1.2×0.5=0.6×0.5=＝0.02×143.5×60.4×8＝＝3.2×1＝3.2×4＝3.8×100＝＝0.5×10＝2.19×20＝0.08×33.5×10.9×100=____________________________________________________________________________________________________0=二、7×0.02=0.4×5=4.2×2=0.08×5=5.19×100=3.9×20=3.18×10=0.11×8=2.6×0.3=15.5×3=8.8×0.1=2.5×0.4=三、1.25×4=0.36×10=6.8×4=29.6×0=0.19×100=0.125×80=1.8×0.5=0.25×40=20.3×4=3.6×20=0.16×5=10.9×0.5=四、60×0.05=0.5×0.4=4.4×4+5.6×4=70×0.04=5.2×0=2.7×0.01=1.25×2×0.4=1.25×4=____________________________________________________________________________________________________4.5×0.2=0.09×5=0.5×0.02=0.04×25=五、40×0.8=1.5×0.6=1.12×100=3+0.3×0.5=3×0.2×0.5＝1.25×0.8=3.6×0.1=4×3.7×0.25=0.18×0.3=5.6×5=0.05×0.8＝4＋0.17×0.1=六、1×0.02=＝1.2×0.50.4×1.5×10=0.62×0.2=7×0.5=3.6×0.2×1=6.3×101=25×8×125×4=0.9×6=0.1×0.01=0.7×6–6×0.3=0.2×0.9=七、____________________________________________________________________________________________________4.7+2.3=4.5×2=6×3.4=6.9－2.5=7.2×0.8=0.62－0.32=1.4×0.5=0.02×0.5=3.6÷0.3=5.6÷100=八、0.75×100=6.3÷7=0.75÷0.25=4.8÷0.3=0.96÷2=0.36÷0.4=0.64÷0.8=3.6÷24=0.125×8=0.56÷28=0.72÷3.6=7.2+12.8=0.8×1.1=46.7－3.8=九、1.64÷41=24÷15=10÷20=____________________________________________________________________________________________________8.65×10=0.35×0.6=6.9×0.1=10.8÷9=3.08×0.01=4.95×1000=0.4×0.5=2.4÷0.8=9.6÷0.8=一、0.108÷2=65÷0.1=4.95÷0.9=2.5×8=0.325×100=0.56÷0.7=0.125×4=3.9÷0.13=7.2×0.1=0.25×0.4=二、3.28×0.1=0.01×0.1=1.6÷0.8=1.25×0.8=3.2÷0.04=0.22×102=1÷2.5=0÷1.7=____________________________________________________________________________________________________9.6÷0.8=5×0.24=4.5－0.05=3.9÷0.135×0.12=16.5÷0.5=三、24×0.5=2.8＋4.2=0.84÷2.1=7.8÷0.01=5.4÷0.6=7×0.62=4.8×0.5=5÷0.25=3.2÷5=7.4－2.8=0.56÷0.8=0.18÷0.2=四、0.16÷8=8＋7.2=4.5×0.02=0.012×0.2=3.6÷0.12=1.2×30=0.3×0.3=9÷6=7.8÷0.6=____________________________________________________________________________________________________2÷5=4.5＋5=0.3÷0.6=五、0.96÷0.2=7.3＋0.27=8×0.125=0.61＋0.39=0.56÷28=4.08÷0.4=11－9.4=10.5×0.4=0.54÷0.6=10÷20=0.8×0.11=0.72＋12.8=六、5.6÷0.01=0.75×100=2.3×100=10.8÷9=4.2×0.4=5.2×0.4=0.108÷2=0.7÷0.8=16－5.07=0.72×6=12÷0.5=12.2÷0.2=____________________________________________________________________________________________________七、5.6÷100=0.02×0.5=0.41＋3.7=1.4×0.5=2.5×16=7.2－0.8=84÷0.21=0.75÷0.25=0.108÷2=1.75＋32.5=5.2÷13=八、16－5.07=1.64÷41=0.26×0.3=1.02×0.2=1.29×6=8.4×0.02=0.8×0.05=12.6÷0.03=21÷0.21=8.71÷0.1=一、0.8×0.13=8.08÷0.4=0.5×2.2=0.34÷17=1.24÷4=____________________________________________________________________________________________________3.27＋0.63=5.02×0.3=6.4÷4=0.3×0.5=0.7÷0.35=7.2÷1.8=0.72÷1.44=二、0.48÷0.04=5.5＋55=16.8÷8=3.5－0.05=2÷0.02=1.5×0.6=0.32÷0.8=73.5×0.1=三、1.25÷2.5=0.54＋2.2=0.25×40=12.25÷0.5=46.5＋52.5=0.25×88=8×1.25=0.45×102=5.6÷3.5=4.2÷0.7÷6=0.4×8.6×25=0.27÷0.3=____________________________________________________________________________________________________2.5×101=4.7+2.3=6.9－2.5=四、4.5×2=7.2×0.8=6×3.4=0.75×100=6.3÷7=0.62－0.32=1.4×0.5=0.02×0.5=3.6÷0.3=5.6÷100=0.75÷0.25=4.8÷0.3=五、0.125×8=0.96÷2=0.36÷0.4=0.64÷0.8=3.6÷24=0.56÷28=0.72÷3.6=7.2+12.8=0.8×1.1=46.7－3.8=12.8÷4=5.2÷13=____________________________________________________________________________________________________12.5÷5=六、1.64÷41=24÷15=10÷20=0.35×0.6=6.9×0.1=8.65×10=3.08×0.01=4.95×1000=0.4×0.5=2.4÷0.8=9.6÷0.8=七、10.8÷9=0.108÷2=9.65÷0.1=0.325×100=0.56÷0.7=0.125×4=3.9÷0.13=7.2×0.1=4.95÷0.9=2.5×8=3.28×0.1=0.01×0.1=0.25×0.4=八、____________________________________________________________________________________________________1.6÷0.8=1÷2.5=0÷1.7=5×0.24=1.25×0.8=3.2÷0.04=0.22×102=9.6÷0.8=4.5－0.05=一、3.9÷0.135×0.12=16.5÷0.5=4.8×0.5=5÷0.25=24×0.5=2.8＋4.2=0.84÷2.1=7.8÷0.01=5.4÷0.6=7×0.62=3.2÷5=二、0.56÷0.8=0.18÷0.2=0.16÷8=8＋7.2=7.4－2.8=4.5×0.02=____________________________________________________________________________________________________1.2×30=1.3×0.3=9÷6=0.012×0.2=3.6÷0.12=7.8÷0.6=三、2÷5=4.5＋5=10.5×0.4=0.54÷0.6=10÷20=0.3÷0.6=0.96÷0.2=7.3＋0.27=8×0.125=0.61＋0.39=0.56÷28=4.08÷0.4=四、11－9.4=0.72＋12.8=5.6÷0.01=0.75×100=0.108÷2=0.7÷0.8=0.8×0.11=2.3×100=10.8÷9=____________________________________________________________________________________________________16－5.07=4.2×0.4=0.72×6=五、12÷0.5=12.2÷0.2=5.6÷100=0.02×0.5=7.2－0.8=84÷0.21=0.75÷0.25=0.108÷2=六、5.2×0.4=0.41＋3.7=1.4×0.5=2.5×16=1.75＋32.5=5.2÷13=16－5.07=1.02×0.2=1.29×6=1.64÷41=0.26×0.3=8.4×0.02=0.8×0.05=12.6÷0.03=21÷0.21=8.71÷0.1=____________________________________________________________________________________________________七、0.8×0.13=8.08÷0.4=0.5×2.2=3.27＋0.63=2.14－0.9=48=0.34÷17=1.24÷4=240÷0.5+7.6=4200÷300=0.75－0.38=20×35=396+99=90×30=八、1－0.2=1.57+3.43=18.54－9.9=48÷0.6=3－2.25=2.4÷2=286+199=36×99=96÷3=0.24÷0.2=4.8÷6=0.96÷0.03=一、2.4÷0.2=0.3=4.8÷0.6=9.6÷3.24÷24=3.24÷0.24=3.24÷2.4=2.4÷2=____________________________________________________________________________________________________48÷0.6=96÷3=0.24÷0.2=4.8÷6=0.96÷0.03=二、2.4÷0.2=0.3=4.8÷0.6=25.8÷6=5.98÷0.23=3.81÷7=246.4÷13=0.4÷0.01=9.6÷19.76÷2.17÷22.8÷3=5.2=32÷42=0.7=三、5.3+6.7=0.01=5.4-3.6-1.4=30×2.8×15÷1.5=12.9-8.5=1.4=7.2×0.4=8+2-8+2=286+198=526+301=四、0.45×2.5＝3.6＝314-202=223-99=0.8×1.25＝0.3×0.3×0.3＝____________________________________________________________________________________________________0.3×1.4＝10×0.07＝＝0.05×70.02×0.92×0.4＝0.2×0.26＝0.1＝0.14×4＝1.2×0.3=五、0.2×0.4＝35.22＝2.5×0.4＝＝8.2＋1.8＝100－0.22×40×3.522.3×4＝2.4×5＝3.25×0.5=0.9－0.52＝＝3.99×1＝12.5×8＝六、8÷10=0.43+3.57=0.9×0.8=0.52＝10-1.8-7.2=0.9－2.5×4×12=1.05×100=3.99×1＝1÷0.5=0.7=0.96÷3=1.47÷5.4÷6=七、0.16.5×10=0.56×100=3.78×____________________________________________________________________________________________________4÷0.8=100=3.215×100=100=0.8×10=4.08×2.5×1.1×0.2=0.6×0.8=0.4=3×0.9=3.6×0.4=八、12.5×8=50×0.04=1.78＋2.2=2.5×0.4=80×0.3=1.1×9=0.16×5==9.6÷0.612－3.9=1.2×0.5=0.7÷0.01=6.6÷0.66=九、3.9＋2.03＝×0.3=4.2÷3.5＝1.6+2.47.2＋2.813÷4＝2.14－0.9＝27＋456＋73=0.3×0.3=＝0.9÷0.01＝12÷0.3=0.96÷0.3＝十、2.87÷0.7＝____________________________________________________________________________________________________7÷0.25＝1.5×0.4＝×0.8=16÷1.6＝0.64=2.5×0.70.36＋8－2.5＝5.6×1.01=64.32÷16＝一、4.2÷0.1＝＝72.8÷0.8＝13.8＋9.9＝0.05×0.8＝12×2.5＝8.4÷4.22.56－2.4×2.5＝0.37＝1.23×3＝×3＝3.2÷1.6＝3.5＋3.519.6÷2=二、8.8÷2.2=0.8=0.75×4＝8.4×0.2=0.5×2.8×0.30.08×1.6×0.2＝＝7.2×0.3=0.9÷0.15=5.5÷0.55=2.2÷0.11=1.8×0.4=100=三、5.46＋4.54=12.5×0.8=0.35×____________________________________________________________________________________________________1.4×5=0.3=2.8×4=19.6÷4=22.5×4=0.18×0.396÷1.2=0.756÷0.36=15=15.6×13=0.025×14=四、3.06×36=2.6=0.04×0.12＝3.84×3.68×13.76×5.76×3＝7.15×22=0.2=90.75÷3.3=16.9÷0.13=1.55÷3.9=0.8=3.7×0.016=5.2×0.6=五、8.4×1.3=0.4=6.4×0.5=4.48×0.76×4.8×5.25×5=35.4×4.2=0.32=0.042×0.54=0.25×0.046=2.52×3.4=0.25＝1.08×25=2.5÷0.7=六、____________________________________________________________________________________________________10.1÷3.3=10.75÷12.5=3.25×9.04=12.5×8.8=0.43×0.28=0.6=6.45×0.73=4.6×8.9×0.05=3.08×0.43=29=1.5×26.7=5.22÷18.72÷3.6=七、13.95÷3.1=10-1.8-7.2=8÷10=0.43+3.57=0.9×0.8=2.5×4×12=0×3.52＝12.5×8＝1.05×100=1.47÷0.7=八、1÷0.5=0.96÷3=5.4÷6=9.6÷3.2=65÷0.05=36÷0.18=42÷0.003=0.005=128÷0.4=54÷0.12=78÷0.06=78÷0.6=32÷0.4=45÷81÷0.03=____________________________________________________________________________________________________九、7.2÷0.002=120÷0.024=7.5÷5=1000÷1.25=8.6÷0.002=0.36÷0.0006=10÷2.5=0.0036÷7.5÷2=3.6=8.6÷2=2.5÷0.005=6.3÷21=十、8.6÷0.0043=0.0084=46÷0.0023=8.4÷1.28÷3.2=9.8÷0.7=4.6÷0.023=0.009÷0.005=39÷0.0003=一、133÷.0007=5.05÷0.5=760÷0.008=9.5×99=123000÷4.329÷13.5×1.23=0.00125÷50=5.6÷700=6=492÷0.004=18.63÷0.03=0.98=0.1-0.047=二、____________________________________________________________________________________________________0.29÷2.9=3.4×0.2=0.57÷9.5×19=63+124+76=7.09×10.8=101=0.8×7.09=3.8×10.1=7.69×101=72=3.8×10.1=0.125×7×19+7=三、22.8÷3=5.98÷0.23=3.81÷7=246.4÷13=0.4÷0.01=19.76÷2.17÷30×5.2=32÷42=0.7=5.3+6.7=0.01=5.4-3.6-1.4=15÷1.5=四、12.9-8.5=1.4=7.2×0.4=2.8×526+301=0.3×3.68+2-8+2=286+198=223-99=0.45×2.5＝314-202=0.8×1.25＝＝0.3×0.3＝____________________________________________________________________________________________________五、10×0.07＝＝0.3×1.4＝0.92×0.4＝0.05×70.02×100－0.2×0.26＝0.1＝0.14×4＝1.2×0.3=0.2×0.4＝35.22＝8.2＋1.8＝2.3×4＝六、2.5×0.4＝＝2.4×5＝0.22×42.5×1.25×0.32=1.7+0.43+3.3=3.25×0.5=5.4－2.5－1.4=12－6.2－3.8=(180+20)÷5=75×25×4=七、250－250÷5=70+50÷50+70=72×101－72=7.26-(5.26-1.5)=13.7+0.98+0.02+4.3=18.6－3.47－0.53=235×28－35×28=2.6×78+78×7.4=____________________________________________________________________________________________________8×(2.5＋0.25)＝1.25×0.8×0.5＝0.12×0.5×0.16＝八、（1.5＋0.25)×4＝7.28×99+7.28=5436÷18=4.3×50×0.2=1001－9036÷18=0.81÷0.25+5.96=（1.2+1.8)×4.5=102×45-328=3.8×5.25+14.5=300-4263÷21=403÷13×27=(25+4)×4=1025－768÷32=九、645-45×12=0.96+9.6×9.9=401×19+284=1.25×8÷1.25=5.37×0+4.63=16.12×99＋16.12=5.0-0.9＋0.9=10-2.87-7.13=640+128×45=2.5×7.1×4=7.28×99+7.28=____________________________________________________________________________________________________4.3×50×0.2=64－2.64×0.5=8.9×1.1×4.7=3.94+34.3×0.2=3.6×9.85-5.46=2.8×0.5+1.58=2.7×5.4×3.9=8.05×3.4+7.6=6.58×4.5×0.9=32＋4.9－0.9=4.8－4.8×0.5=4.8×100.1=(1.25－0.125)×8=4.85+0.35÷1.4=4.8×(15÷2.4)=0.25×185×40=(8×5.27)×1.25=6.8×0.75÷0.5=1.2+3.2+0.8=56.5×99＋56.5=0.87×3.16+4.64=40.5÷0.81×0.18=2.13×0×8257=6.81+6.81×99=2.5×(3.8×0.04)=0.25×39+0.25=6.81+6.81×99=0.25×185×40=3.75÷0.125–2.75=1.53+23.4÷7.2=____________________________________________________________________________________________________1.2×2.5×4=3.01+1.7+0.99=2.7-2.7÷2.7=1×0.66÷6=5.4÷(0.51÷0.17)=0.78×99+0.78=5.4×(7.26÷6.05)=8.7×17.4-8.7×7.4=12.5×0.4×2.5×6.4×3.28+4.6×12.27＋21÷(7.3－2.37×8=(0.25+2.5+25)×0.4=0.68÷（5.2-3.5)×1.25=3.28-3.28=4.4×0.8－3.4×0.8=5-0.9×0.2+1.8÷0.5=6.6)×2.4=37×25+268÷67=(9.37+9.37+9.37+9.37)×2.5=6.3+2.37×3.7=（32+360÷45）×72=46×0.33+54×0.33=1.93+2.7+2.07+7.3=26×15.7＋15.7×24=(2.275＋0.625)×（7590÷33－14）÷54=412÷（607－36×0.28=40－（3.5－2.75+0.86）=14）=10.5÷(5.2-3.5)=（13.8－8.7）÷0.034=____________________________________________________________________________________________________6.