小數(shù)混合運(yùn)算專項(xiàng)練習(xí)

小數(shù)混合運(yùn)算專項(xiàng)練習(xí)276題〔有答案〕××0.11 ×99+2.34 ÷×132×101 ÷÷0.8 ×16．×101﹣6.33 ×××﹣2.9〕÷0.03]×32×2.5．×﹣×18.5 ÷××2.4 ÷〔1.3+0.5〕×6．﹣﹣﹣6.17 ×[〔1.3+2.15〕÷0.2] ÷÷×10.1 ﹣÷0.2+1.8 ××0.25．1.36+4.85+2.64+6.15÷÷4÷×﹣2.9〕]×〔4﹣3.68〕÷0.01﹣﹣0.175.96+13×﹣3.12〕÷×1.7；××4.5；﹣﹣3.14；÷4.32+5.43+6.68 ﹣﹣3.2 ××10.1 ×9.5+5×0.274 ÷3.2．××25 ﹣﹣1.76 ×10 ×32×0.25．﹣﹣4.32〕﹣2.32 ××1.25 ×××0.86 ÷÷12.5 0.9+9.9+99.9+999.9．×99+2.9 25××4 ﹣﹣3.25．125××2.5 ×10.1 ××73×1.8 〔1.48+3.02〕÷×0.5〕 ﹣4.9〕×101﹣31.8．×101﹣6.33 ﹣5×1.73 ×﹣×0.6 ÷×1.5．×÷102×÷÷×101﹣0.34．×32××﹣×504÷×〔20﹣×9〕××÷1.5 ﹣﹣××0.12 ÷÷﹣1.03〕]﹣5.6〕×﹣1.05]÷0.04．﹣÷〔0.35+0.05〕 8×[1÷﹣2.25〕]×9.9+0.264 4.52+0.61+1.39+6.48﹣﹣1.73〕﹣×6〕÷〔6+8〕×××8×2.5．×2.5 ﹣÷2.5 ×××99+4.9 ÷÷2.5 ××6.8．﹣5.8〕×2.07 ﹣﹣﹣××2〕×1.25 ÷﹣×0.02．÷×0.25 ÷÷0.65〕×9.9 ﹣×﹣÷×0.5 ××4.7．÷﹣6.5〕×0.5]；×9﹣60.2；÷÷0.25；﹣÷7.6．××0.45 ﹣÷3.5 ×102×2.8．2.15+8.73+1.27+7.85 ﹣〔8.2+1.87〕 ﹣﹣﹣﹣0.44 ×270×2．5 〔40+1.25〕×8﹣0.05〕×8 ××7.4 ×﹣××99+5.6 ×〔1.9+1.9+1.9+1.9〕 ÷÷8．﹣〔15+0.6〕÷×99+9.87 ÷÷0.4 ××5.5．99×4.2+4.2 ×××14+15×6.4+6.4 ××8〕÷〔80﹣77.4〕4×〔25+2.5+0.25〕÷111 ÷﹣×4.5〕÷0.32〕×99+28.4 ×﹣0.45 4×××2.5 ÷×17+13．×87 ÷〔22﹣19.8〕 ×7.2．﹣÷6﹣6.24 ﹣×〔5.36+7.64〕÷13×100 ÷﹣1.88〕×0.2]．﹣〔5.5+1.24〕 0.26+15.68+9.74+2.32 ﹣3.26 ﹣6.1+3.9．÷0.63〔保存2位小數(shù)〕×÷×÷4÷3.7〕÷8÷[4×﹣0.14〕]÷÷﹣1.03〕]．﹣﹣16.75﹣﹣90.85〕÷32××0.12518.1+〔3﹣÷0.23〕×1．67﹣〔2.98+0.67〕8×16﹣×6〔45+14〕÷73+710．××8 ×[13﹣〔3.12+5.28〕]102×0.56 ××1.7．5.18+0.73+0.82 ×÷1.5 ×××99+6.12 ÷0.86+8××﹣÷0.5〕

××80 ××2.8 〔0.4+40〕×﹣×3.6 18÷×〔8﹣6.5〕] 12.7+12.5+0.5．91÷÷0.05= ××6.3= ×0.4〕÷2.5=÷2.5= ×7.4= ÷÷0.8=÷×﹣0.84〕]÷1.5〕×1.6．﹣3.8+2.2 ﹣﹣2.43 ﹣〔1.47+6.8〕13.26+4.71+3.47+5.29 ﹣13.74．10÷÷2.5 64××45 ×××102 ×2.8 ÷÷0.5．×9×8×0.3 ÷5÷××6.7 5×[20÷﹣3.04〕]．××8×0.2 ×9+0.97 ÷[3×﹙﹣﹚]．×﹣0.8〕÷0.15×÷××3.7﹣×﹣0.75〕××40××4.54．7××0.8 ××6.4 1.45×[〔2.8+4.4〕÷2.4]．×﹣3.03〕+6.3﹣﹣〔1.02+1.2〕×[〔5﹣0.68〕÷1.2]÷×〔6.02+2.8〕÷﹣2.05×××0.3．÷〔22﹣19.7〕 ÷﹣﹣×2〕]．××3.6×××0.4×﹣9.08+5.45+11.92+4.55×30××0.8．﹣0.208 ××8 〔64﹣÷1.4〕×﹣﹣3.75 ××2.8 ÷﹣〔1.7+1.8〕〕××4×2.1+10.8﹣××102××4.4×27﹣×17．××76.3．﹣5.2〕÷0.4+2.54]×32．÷×1.5 ﹣5×1.73 ﹣0.78〕×﹣1.95〕××4÷××﹣××0.25．×[〔2.36+2.42〕÷0.25] ÷[〔1.3+0.6〕×6﹣3.6] ××205×0.99 ﹣﹣2.51 ﹣﹣4.9〕]×0.8．102×4.5 ÷[〔1.2+0.5〕×5] 8×〔20﹣1.25〕×6.5 ××0.8 ××2.8．6.23+3.09= ﹣59.8= ×0.84= ÷0.023=﹣〔8.6+9.7〕×0.92]÷30.19．×32×2.5 ×﹣×3.8 ÷×204÷×0.5〕 〔43.26+2.34〕÷7.5 〔20﹣×9〕×5.7．﹣﹣1.2；×99+2.5；﹣÷5；×2.4．﹣﹣30.41×××〔12.5+2.5〕×0.1﹣×0.2〕×12.5÷48.7〔8.16+2.09〕÷﹣9.3〕÷0.4]．××1.7 ×﹣1.9〕×0.8 ××75 ÷﹣4.59〕×4]．參考答案：××0.11，×〔1.8+8.2〕，×10，=1.1；×99+2.34，×〔99+1〕，×100，=234；÷×0.8，=2×0.8，=1.6；〔4〕132×101，=132×〔100+1〕，=132×100+132，=13332；÷÷0.8，÷×0.8〕，÷1，=6.25；×16，×4〕×4，=40×101﹣6.33，×〔101﹣1〕，×100，=633；××1.7，×〔1.56+0.44〕，×2，=3.4；×﹣2.9〕÷0.03]，×÷0.03]，×17，=30.6；×32×2.5，×8〕×〔4×2.5〕，=1×10，=10×﹣×18.5，×﹣0.258〕，×1，=18.5；÷×0.9，×0.9，=9.54；×2.4，×8×0.3，=10×0.3，=3；÷〔1.3+0.5〕×6，÷×6，×6，﹣﹣﹣﹣6.17〕﹣〔6.8+3.2〕，=11﹣10，=1；×[〔1.3+2.15〕÷0.2]×÷0.2]，×17.25，=93.15；÷÷=14+21=35；×××0.1，=168+1.68，8；﹣÷﹣4.5+1.8，=8.2；×××0.8〕×〔4×0.25〕，=1×1，=1〔21〕1.36+4.85+2.64+6.15，=〔1.36+2.64〕+〔4.85+6.15〕，=4+11，=15；÷÷4，÷×4〕，÷10，=9.85；÷×﹣2.9〕]，÷×0.8]，÷2，=2.7；×〔4﹣3.68〕÷0.01，×÷0.01，÷0.01，=25.6；﹣﹣0.17，﹣〔12.83+0.17〕，﹣13，=70.7；〔26〕5.96+13×﹣3.12〕，=5.96+13×0.08，=5.96+1.04，=7．÷×1.7，×1.7，=3.06；××4.5，=〔16.2+3.8〕×4.5，=20×4.5，=90；﹣﹣3.14，﹣〔3.86+3.14〕，﹣7，=2.05；÷0.9，=7.28+0.8，〔31〕4.32+5.43+6.68，=4.32+6.68+5.43，=11+5.43，=16.43；﹣﹣3.2，﹣〔6.8+3.2〕，﹣10，=7.17；×9+5.29，×〔9+1〕，×10，=52.9；×10.1，××0.1，=168+1.68，=169.68；×9.5+5×0.274，××2.74，×〔9.5+0.5〕，×10，=27.4；÷3.2，=0.36+3，××25，=25×〔3.75+6.25〕，=25×10，=250；﹣﹣1.76，﹣〔8.23+1.76〕，﹣7；×10，=2.9+71，=73.9；×32××8〕×〔4×0.25〕，=10×1=10﹣﹣4.32〕﹣2.32，﹣﹣2.32，=〔15.68+4.32〕﹣〔7.78+2.32〕，=20﹣10.1=；××1.25，×4××1.25，×4〕××1.25〕，=1×1，=1；×1.01，=〔10﹣0.01〕×1.01，﹣0.0101，=10.0899；××0.86，××0.86，×〔0.14+0.86〕，×1，=46.3；÷÷12.5，÷×12.5〕，÷10，=1.75；〔46〕0.9+9.9+99.9+999.9，=1﹣0.1+10﹣0.1+100﹣0.1+1000﹣0.1，=〔1+10+100+1000〕﹣〔0.1+0.1+0.1+0.1〕，=1111﹣0.4，×=〔99+1〕×2.9，=100×2.9，=290；〔48〕25××4=25×4×11.2，=100×11.2，=1120；﹣﹣﹣〔6.75+3.25〕，﹣10，=13.25

〔50〕125××2.5，=125×8××2.5，=〔125×8〕××2.5〕，=1000×1，=1000；×10.1，×〔10+0.1〕，××0.1，=36+0.36，=36.36；××73，××7.3，×〔2.7+7.3〕，×10，=58；×1.8，=3.6+11.52，=15.12；〔54〕〔1.48+3.02〕÷×0.5〕，÷1.8，=2.5；﹣4.9〕×101﹣31.8，×101﹣31.8，×〔101﹣1〕，×100，=3180×101﹣×〔101﹣1〕，×100，=633；﹣5×1.73，﹣8.65，=26.95；×﹣×0.6，×﹣0.6〕，×1，=55.4；÷×1.5，=3.4+4.05，×÷÷×0.8，=4×0.8，=3.2；〔61〕102×=〔100+2〕×0.45，=100×0.45+2×0.45，=45+0.9，=45.9；÷÷÷×0.8〕，÷1，=22.78；×101﹣=〔101﹣1〕×0.34，=100×0.34，=34×32×2.5，×8〕×〔4×2.5〕，=1×10，=10；×﹣×3.8，=0.8×﹣3.8〕，×2.5，=2；〔66〕504÷×2.08，×2.08，=327.6；〔67〕〔20﹣×9〕×5.7，=〔20﹣7.2〕×5.7，×5.7，×÷1.5，=3.6+2.4，=6；﹣﹣2.86，=〔7.38+3.62〕﹣〔5.14+2.86〕，=11﹣8，=3；××0.12，×〔1.8+8.2〕，×10，=1.2；÷÷﹣1.03〕]，÷÷0.17]，÷3，=1.8；﹣5.6〕×﹣1.05]÷0.04，×﹣1.05]÷0.04，﹣1.05]÷0.04，÷0.04，=30﹣÷〔0.35+0.05〕，﹣÷0.4，﹣2，=8.8；〔74〕8×[1÷﹣2.25〕]，=8×[1÷0.05]，=8×20，=160；×9.9+0.264，×99+0.264，×〔99+1〕，×100，=26.4；=〔4.52+6.48〕+〔0.61+1.39〕，=11+2，=13；﹣﹣1.73〕﹣0.23，=4.04；﹣×6〕÷〔6+8〕﹣115.2〕÷14，÷14，=12.8；×××8××8〕××2.5〕×0.76，=100×1×0.76，=76．×2.5，=4.98+20.25，=25.03；﹣÷2.5，﹣16.32，=44.48；××12.5，×12.5〕×69.6，=10×69.6，=696；×99+4.9，=493.02+4.9，=497.92；÷÷2.5，÷×2.5〕，÷8，=0.81；××6.8，×〔1.2+6.8〕，×8，=60.8〔86〕〔9.4﹣5.8〕×2.07，=3.6×2.07，=7.452；〔87〕12.54﹣4.56﹣3.44﹣1.54，=〔12.54﹣1.54〕﹣〔4.56+3.44〕，=11﹣8，=3；〔88〕〔9.36×5+9.36+9.36×2〕×1.25，=9.36×〔5+2+1〕×1.25，=9.36×8×1.25，=9.36×〔8×1.25〕，=93.6；〔89〕7.236÷0.18﹣14.3×0.02，=40.2﹣0.286，=39.914．÷×0.25，=24×0.25，=6；÷÷0.65〕，÷9，=3.3；×9.9，×〔10﹣0.1〕，×10﹣×0.1，=74﹣0.74，=73.26；﹣×0.64，﹣1.728，=2.112；﹣÷×0.5，﹣×0.5，﹣7.75，=0.93；××4.7，×〔4.7+4.3+1〕，×10，=47÷﹣6.5〕×0.5]÷×0.5]，÷0.85，=3.2；×9﹣=〔1+9〕×﹣60.2，=10×﹣60.2，﹣60.2，=31；÷÷÷×0.25〕，÷0.1，=284；﹣÷=27.36﹣3.6，××0.45，×〔3.25+6.75〕，×10，=4.5；﹣÷3.5，﹣7，=24.5；×102，×〔100+2〕，××2，=750+15，=765；×2.8，=6.3+10.36，=16.66．=〔2.15+7.85〕+〔8.73+1.27〕，=10+10，=20；﹣〔8.2+1.87〕，﹣﹣8.2，=10﹣8.2，=1.8；﹣﹣1.13，﹣5，=0.42；﹣﹣0.44，=〔4.38+0.62〕﹣〔1.56+0.44〕，=5﹣2，=3；×270×2.5，×2.5〕×270，=270；〔109〕〔40+1.25〕×8，=40××8，=320+10，=330；﹣0.05〕×8，×8﹣×8，=100﹣0.4，=99.6；××7.4，=〔2.6+7.4〕×8.5，=85；×﹣×3.9，﹣3.9〕×6.9，=6×6.9，=41.4；×99+5.6，×〔99+1〕，=560；×〔1.9+1.9+1.9+1.9〕，×4×1.9，=10×1.9，=19；÷÷8，÷8÷1.25，÷1.25，=0.72．﹣〔15+0.6〕÷1.6，﹣÷1.6，﹣9.75，=42.65；×99+9.87，×〔99+1〕，=987；÷÷0.4，÷×0.4〕，÷0.36，=130；××5.5，×〔17.3+6.7〕，×24，=132〔120〕99××〔99+1〕，×100，=420；××××〔4×0.8〕，×4××0.8〕，=1×1，=1；×14+15××〔14+15+1〕，×30，=192；××8〕÷〔80﹣77.4〕×1〕÷2.6，÷2.6，=1；〔124〕4×〔25+2.5+0.25〕÷111=〔4×25+4×2.5+4×0.25〕÷111，=〔100+10+1〕÷111，=111÷111，=1；÷﹣×4.5〕÷0.32]÷﹣16.2〕÷0.32]，÷〔1÷0.32〕，÷3.125，=2×99+28.4，×〔99+1〕，×100，=2840．×﹣0.45，﹣0.45，=1.9．〔128〕4×××2.5，=〔4×2.5〕××12.5〕，=10×10，=100．÷×17+13，=70×17+13，=1190+13，=1203×87，=〔10+0.1〕×87，=870+8.7，=878.7；÷〔22﹣19.8〕，÷2.2，=2.3+1.45，=3.75；×7.2，×8×0.9，=10×0.9，=9﹣÷6﹣﹣﹣6.24，﹣6.24，=2.66；﹣×﹣8.74，=11.36；〔135〕〔5.36+7.64〕÷13×100=13÷13×100，=100；÷﹣1.88〕×0.2]÷×0.2]，÷0.75，﹣〔5.5+1.24〕，﹣﹣1.24，=2﹣1.24，=0.76；〔138〕0.26+15.68+9.74+2.32，=〔0.26+9.74〕+〔15.68+2.32〕，=10+18，=28；﹣3.26，﹣3.26+9.55，=10+9.55，=19.55；﹣6.1+3.9，﹣6.1+〔3.9+3.9〕，=0+7.8，÷≈50.32；×÷=3.6+2.4，=6；×÷4÷4，=0.08+0.02，=0.08+0.02，=0.1；÷3.7〕÷8=〔9.6+0.4〕÷8，=10÷8，=1.25；÷[4×﹣0.14〕]÷[4×1.2]，÷4.8，≈1.21；÷÷﹣1.03〕]÷÷0.17]，÷3，﹣﹣16.75，﹣〔3.25+16.75〕，﹣20，=1.35；﹣﹣90.85〕÷2.5，﹣÷2.5，﹣23.02，=10；〔149〕32××0.125，=4×8××0.125，=〔4×2.5〕×〔8×0.125〕，=10×1，=10；〔150〕18.1+〔3﹣÷0.23〕×1，=18.1+〔3﹣1.3〕×1，×1，=18.1+1.7，〔151〕67﹣〔2.98+0.67〕，=67﹣3.65，=63.35；〔152〕8×16+×6，=128+442.8，=570.8；〔153〕〔45+14〕÷73+710，=59÷73+710，=+710，=710××8，××8〕，×1，=13.7；×[13﹣〔3.12+5.28〕]，×[13﹣8.4]，×4.6，=3.68；〔156〕102×0.56，=〔100+2〕×0.56，=100×0.56+2×0.56，=56+1.12，=57.12；××1.7，=〔1.53+0.47〕×1.7，=2×1.7，〔158〕5.18+0.73+0.82，．=〔5.18+0.82〕+0.73，=6+0.73，=6.73；×÷1.5，÷1.5，=0.9；××0.8，×0.8〕×7.1，=10×7.1，=71；〔161×99+6.12，×〔99+1〕，×100，=612；÷0.86+8×0.35，=10+2.8，=12.8；×﹣÷0.5〕，×﹣17〕，×1.5，××80，××8×10，×8〕××10〕，=1×47.8，=47.8；××2.8，×〔3.6+1.4〕，×5，=14；〔166〕〔0.4+40〕×2.5，×2.5+40×2.5，=1+100，=101；﹣×3.6，﹣63.72，=14.98；〔168〕18÷×〔8﹣6.5〕]，=18÷×1.5]，=18÷0.45，=40；〔169〕12.7+12.5+0.5，=12.7+〔12.5+0.5〕，=12.7+13，〔170〕91÷÷0.05，=35÷0.05，=700；××6.3，×〔3.7+6.3〕，×10，=63；×0.4〕÷2.5，=〔3.7+0.68〕÷2.5，÷2.5，=1.752；÷2.5，=7.28+1.28，=8.56；×7.4，=〔1+9〕×0.74，=10×0.74，=7.4；÷÷0.8，÷×0.8〕，÷0.1，=78÷×﹣0.84〕]，÷×0.5]，÷0.15，=250；÷1.5〕×1.6，=〔2.5+18.5〕×1.6，=21×1.6，﹣3.8+2.2，=2.41+2.2，=4.61；〔179〕6.03+3.7+2.97，=〔6.03+2.97〕+3.7，=9+3.7，=12.7；﹣﹣2.43，﹣〔6.57+2.43〕，﹣9，=8.43；﹣〔1.47+6.8〕，﹣﹣6.8，=19﹣6.8，=12.2；〔182〕13.26+4.71+3.47+5.29，=〔13.26+3.47〕+〔4.71+5.29〕，=16.73+10，=26.73；﹣13.74，﹣13.74〕+8.68，=9+8.68，〔184〕10÷÷2.5，=10÷×2.5〕，=10÷0.5，=20；〔185〕64××45，××45，=〔6.4+3.6〕×45，=10×45，=450；××0.8，×0.8〕×3.2，=1×3.2，=3.2；×102，×〔100+2〕，××2，=1450+29，=1479；×2.8，=14.64+10.36，=25；÷÷0.5，=40÷0.5，=80×9×8×0.3，×8〕×〔9×8〕，=1×72，=72；÷5÷0.66，÷〔5×0.66〕，÷3.3，=1.4；××6.7，×〔2.3+1+6.7〕，×10，=57.8；×[20÷﹣3.04〕]，×[20÷0.2]，×100，=775××8×0.2，×8〕××0.2〕，=10×0.1，=1；×9+0.97，×〔9+1〕，×10，=9.7；÷[3×﹙﹣﹚]，÷[3×0.9]，÷2.7，×﹣0.8〕÷0.15，×÷0.15，÷0.15，=6.4；×÷7.6，÷7.6，=5.7+0.05，=5.75；××3.7，×〔6.3+3.7〕，×10，=324；﹣×﹣0.75〕，﹣×0.15，﹣1.59，=16.61；××40，×40×3.85，=10×3.85，=38.5；××4.54，×〔1.46+4.54〕，×6，=21〔203〕7××0.8，=7××0.8〕，=7×10，=70；××6.4，×〔3.6+6.4〕，×10，=47；×[〔2.8+4.4〕÷2.4]，×÷2.4]，×3，×﹣3.03〕+6.3，×3.15+6.3，=13.23+6.3，=19.53；﹣﹣〔1.02+1.2〕，﹣﹣﹣1.2，﹣1.02〕﹣〔6.8+1.2〕，=14﹣8，=6；×[〔5﹣0.68〕÷1.2]，×÷1.2]，×3.6，=2.16；÷×0.25，××0.25，=〔2.7+6.3〕×0.25，=9×0.25，=2.25；〔210〕〔6.02+2.8〕÷﹣2.05，÷﹣2.05，﹣2.05，=20；×××0.3，=〔3.5+6.2+0.3〕×3.08，=10×3.08，÷〔22﹣19.7〕，÷2.3，=2.3+1.7，=4；÷﹣﹣×2〕]，÷﹣﹣5.4〕]，÷﹣43.2]，÷21.6，=1××3.6，=〔93.6+1.4〕×3.6，=95×3.6，=〔100﹣5〕×3.6，=100×﹣5×3.6，=360﹣18，=342；×××0.4，×0.4〕××0.125〕，×0.1，=0.01；×﹣2.7，×﹣1〕，×0.5，=1.35；〔217〕9.08+5.45+11.92+4.55，=〔9.08+11.92〕+〔5.45+4.55〕，=21+10，=31；×30××0.8，×0.8〕×〔30×1.2〕，=1×36，=36﹣0.208，﹣0.208，=1.332；××8，××8〕，×10，=48.5；〔221〕〔64﹣÷1.4〕×1.2，=〔64﹣16〕×1.2，=48×1.2，=57.6；﹣﹣3.75，﹣〔6.25+3.75〕，﹣10，=8.3；××2.8，×〔3.6+1.4〕，×5，=14；÷﹣〔1.7+1.8〕]，÷﹣3.5]，÷11，××4，×4×9.87，=1×9.87，=9.87；〔226〕7×2.1+10.8，=77.07+10.8，=87.87；﹣×0.1，﹣0.045，=8.405；×102，×〔100+2〕，××2，=73+1.46，=74.46；××4.4，=43.68+10.12，=53.8；×27﹣×17×〔27﹣17〕，×10，=763．××=〔23.7+76.3〕×7.05，=100×7.05，=705﹣5.2〕÷0.4+2.54]×32，÷0.4+2.54]×32，=[6+2.54]×32，×32，÷×1.5，=3.4+4.05，=7.45；﹣5×1.73，﹣8.65，=26.95；﹣0.78〕×﹣1.95〕，×0.75，××4，×3××4，×3××4〕，×1，=3.9；÷×1.2，×1.2，=0.72；×﹣1.8，﹣1.8，=93.96；××0.25，=〔0.82+1.18〕×0.25，=2×0.25，×[〔2.36+2.42〕÷0.25]，×÷0.25]，×19.12，=162.52；÷[〔1.3+0.6〕×6﹣3.6]，÷××6﹣3.6]，÷﹣3.6]，÷0.78，=5；××4.25，×〔6.3+3.7〕，×10，=42.5；〔243〕205×0.99，=205×〔1﹣0.0