數(shù)學(xué)四年級下冊《小數(shù)加減法》口算800題

第1天8.78-0.52=1.27+0.31=8.42-7.04=16.76+6.61=0.41+0.95=4.15+7.08=59+9.10=51+9.00=54+2.55=8.70+1.16=1.31+5.61=21-0.77=64-7.85=8.68+0.84=2.62+3.19=5.93-1.20=3.66+5.90=6.14-2.01=5.58+0.13=5.15-4.79=5.29+6.33=5.86-1.95=3.79-3.47=8.89-0.20=7.42+9.92=3.58-2.87=31-2.51=81-5.75=6.67-2.72=3.04+5.71=1.73+4.32=4.47+9.24=8.53+3.94=8.36-3.72=6.78-1.84=6.35-2.83=4.36+7.50=

7.57+6.82=5.18+2.34=8.74-6.93=7.96+2.29=4.58+5.79=1.05+9.02=第2天4.30-4.19=4.94-2.06=7.93-4.75=6.03-2.94=4.62+3.02=9.32+3.40=5.43+3.23=3.55+5.33=8.21-4.90=2.38+2.40=9.28+1.69=6.89-0.88=4.97+7.29=3.34+4.51=6.29+0.67=9.60+0.73=2.23+5.50=9.81-0.09=2.80+6.46=7.74+1.48=4.22-2.66=8.28+7.36=7.48-6.52=64-3.25=62+2.82=63+7.16=5.94-0.36=8.80+7.97=7.87+9.72=

8.76+0.75=7.37-4.92=7.52-1.82=42+6.99=06+4.85=7.55+7.05=9.40-8.83=7.41-2.14=2.53+4.77=8.23-2.35=4.45+6.35=1.00+4.02=5.20-1.50=27.38+4.83=第3天26.75+2.83=3.64-2.58=6.52-3.44=15.31+13.51=5.5+4.5=3.27-2.49=11.65-7.39=19.01-7.99=7.51+0.49=5.48-3.25=4.8+18.9=10.3+58.7=03-4.56=03-8.57=25+1.55=43-9.05=1.75+2.08=4.28-3.37=

4.13+2.24=17+2.53=07-0.98=5.67-0.73=13.18+5.27=5.16+7.89=26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=7.3-2.25=3.8+3.54=3.05-2.9=3.1-2.07=12.7+6.58=7.81-3.735=12.16+5.347=0.4-0.125=18.7+3.96=9.6+4.78=5.67-0.845=0.506-0.19=11.04-7.3=1.4-0.405=第4天62.1-17.07=1.4-0.405=3.906+0.66=43.5-27.34=15.98-3.9=75.6-3.55=5.94+10.7=12.03+0.875=37.8+3.02=0.704-0.25=10.1-0.55=27+8.03=26+7.98=13.99+1=7.88+2=28-3.56=10-0.81=10-0.36=20-0.92=8-7.089=95-9.85=20-9.42=35.09-11=96.85-85=45.45-45=10-0.41=45-0.45=3.57+3=1.5-0.5=1-0.9=2.3＋0.6=0.9＋0.8=

1-0.3=3.4-1.5=1.9-0.9=3.5-2.4=0.36+0.64=3.5+4.2=6-0.5=2.7-0.4=0.8+0.7=4.5-3=7.8-1.1=第5天1.5-0.5=1-0.9=2.30.91.9-0.9=3.5-2.4=0.360.96-0.3=8.65-6.31=2.5+0.9=1.2-0.5=7.8+1.6=0.39+0.15=3-1.4=4.7-2.8=

7.2-6.45=15-0.48=6.77-1.78=3.45+5.75=3.40+58.20=49.80+49.20=111.6-99=7.8+21.02=5.6-1.42=12.5+0.9=4.5-2.83=3.75+2.25=2.98+0.56=12.53+4.67=6.07+4.89=5.64-1.78=10.2-6.45=5-0.41=0.3+1.5=2.5+9.8=7.6+1.3=4.4+5.7=2.3+7.7=5.7+3.1=7.69+2.31=9.16+2.64=5.68+12.22=

16.8+16.5=第6天26.3+14.6=6.9+3.4=52.3+64.7=12.75-5.3=8.24+16.93=0.75＋0.4=20＋0.78=8＋4.2=7-3=4.9-1.7=1.34＋0.8=2-0.75=8.7＋0.03=0.2-0.09=8.5＋2.5=2.4-1.4=0.68＋0.42=7.82-7.2=2＋9.1=0.48＋0.52=8.1-5.1=0.78-0.24=0.8＋0.18=0.89-0.25=1-0.98=0.9＋0.1=1-0.8=5-4=6＋4=10-4.4=6＋6.6=9.5-2.7=1-0.55=3.7＋4.8=7＋3.3=3.25＋0.75=2.7＋3.9=0.7＋0.9=0.9＋1=14.6-0.4=10-0.1=14＋0.78=3＋2.7=第7天5-0.08=1.64＋2.35=1.1-1=8.34-6.22=1.3＋4.3=

7.29.3-8.8=4.419.8-5.6=96.3-56.2=79.21.988-69.21=136.5-105=73.4+52.1=93.1-20.9=63.1-11=0.33+9.8=7.8+6.9=0.2+2.7=5.6+4.4=9.4+0.06=0.7+0.4=0.5-0.45=10-0.1=1.8-0.9=12.6-1.2=17+0.33=1.01+0.6=7-0.05=9-0.26=

14+3.83=93-1.64=5.23-2.36=3.44+3.36=8.63-3.48=1.16+4.77=7.74-5.85=9.35-4.74=4.93+4.75=8.17-5.26=2.26-0.86=6.55+4.68=第8天1.1+4.5=1.9+3.4=45+4.6=45+4.5=9.4-2.75=7.3-1.26=3.83+5.55=2.75+1.3=7.6-2.15=1.9+6.2=7.1-6.6=6.8-2.8=

44.4+1.4=1.7+9.66=43.3+6.3=55.5-1.9=38.9-5.55=64.41+8.67=0.7＋0.9=3.8＋0.6=8.24+3.76=4.1-3.8=14＋0.78=14.6-0.34=1.3+8.56=0.8-0.55=1-0.03=30.5+3.05=0.8-0.45=3.25＋0.75=0.78+2.2=5-0.08=10-0.1=10-7.64=13.6＋8.46=0.99＋1.1=1.23+6.52=32-0.93=35-5.23=1.23+5.69=1.26+5.21=0.96-0.23=7.26-4.93=第9天2.16-0.23=4.63+8.9=9.28+7.32=5.2-0.9=2.65+9.32=65-6.23=28+4.75=23+5.45=6.23-4.53=8.52+4.65=5.2+2.63=4.62+8.95=7.24+6.21=3.8-2.3=0.7＋0.9=0.8＋0.6=8.24＋3.76=4.1-3.8=14＋0.78=14.6-0.34=1.3＋8.56=0.8-0.55=

10-0.1=4-0.04=1-0.03=30.50.8-0.45=0.785-0.08=3.258.65-6.31=10-7.64=13.60.993.17+3.43=6.82+15.55=34.85-11.73=75.80+59.35=50.10-48.60=91.91-75.10=53.73-31.75=64.48-14.42=39.03-14.98=第28.36-24.00=61.83+69.95=65.36-38.06=29.37-18.02=

42.09-32.46=64.39+40.78=18.08+34.00=47.63-31.59=17.42-10.44=16.24-14.18=55.89-28.75=67.23-19.17=22.04+80.13=1.2-0.12=1-0.385=3.2-2.3=0.76-0.38=15-7.3=2.1+0.2=0.3+0.7=3.6+1.6=7.5-0.5=13-0.02=51+0.2=102+0.3=1.12-1.02=4.5-0.01=1.9-0.4=3.14-2.33=

5.15+9.71=8.37+8.19=3.61-1.64=2.91-1.78=7.84-1.52=6.86+3.33=2.15+9.08=4.3-3.02=2.12+6.52=6.52-6.41=8.51-3.54=7.34-1.67=9.66-1.72=4.94+2.59=第1.95+8.08=84-1.84=74+8.8=14-2.41=2.13+4.01=9.41+5.76=8.66-2.83=6.94-6.53=3.5-2.76=9.86-8.23=7.79-5.83=4.3+4.1=4.17+9.86=3.78-2.13=5.28-4.32=9.43+3.41=6.95+3.18=9.04-3.61=1.86+4.36=3.91+9.77=8.19-2.65=8.31+5.23=7.34+4.27=4.85-2.05=57-1.23=8+1.5=6.63+5.23=66.54-15.7=21.97+56.16=61.14+33.59=93.24-67.69=45.37-19.21=23.33-15.75=38.59-36.15=86.32-34.9=

12.95+83.64=84.76-16.52=24.42-23.35=11.12-10.15=94.64-13.78=97.07+9.25=76.87-33.61=88.82-28.33=第79.65-44.07=58.82-54.89=64.43+10.14=54.98-47.09=35.63+26.27=48.33+12.01=99.13+9.5=51.51-36.56=85.85-72.41=94.23+7.53=87.93+10.39=62.78+14.35=79.45-37=63.25+35.62=19.5-19.14=24.09+61.51=

97.41+3.31=96.82-54.49=14.9-10.19=36.56-15.66=75.51-47.05=83.36-77.9=27.9+59.04=77.51-39.11=41.69+25.99=16.04+50.21=7.03-5.09=4.44-1.83=1.56+9.02=9.3-6.4=8.06+2.5=5.02-1.33=3.93-1.7=6.01-2.49=8.54-5.73=6.71+7.47=5.34+9.63=9.13-4.82=7.23-1.27=6.76-6.29=3.48-1.11=

6.88+5.67=6.02+7.35=第69+1.4=14+5.48=2.32+9.24=4.41+7.73=1.76-1.02=9.78+6.01=4.05-1.4=6.85+5.52=3.17+8.75=8.64-7.78=6.99+5.11=1.62+3.44=4.88-1.76=7.67+1.56=2.86-2.5=4.99-3.11=2+9.32=2.82+2.84=2.54+8.14=8.09+3.52=4.23+2.15=4.37-2.95=5.56-2.42=9.65-4.05=9.88-7.81=66.29+27.15=68.55+21.42=47.87+46.9=69.41+25.29=25.45-16.34=30.31-30.25=21.9+62.18=98.52-58.64=89.39-57.57=26-20.56=54-44.22=51.1+24.48=10.23-10.11=38.16+34.93=51.75+10.02=56.29+40.09=94.6+6.33=84.72-53.34=第42.44+49.35=17.3+25.13=77.22+18.19=

79.38+11.15=55.31-22.88=76.66-52.53=61.16-55.76=70.59+11.67=24.85+55.96=10.56+56=71.68+19.85=57.48+22.99=72.31+22.74=96.66+7.15=88.25+11.38=85.37+11.56=53.02-11.37=43.34+20.21=21.72-14.89=77.48-74.53=38.3-20.16=12.5+74.88=15.91-10.08=82.65+12.55=3.99+5.87=3.1+1.5=5.99-1.68=4.86+2.93=

1.51+4.59=3.61-3.19=7.38-4.02=3.83-2.44=3.62+5.2=9.83-4.3=5.05-3.75=86+6.41=75-2.52=8.7-2.27=2.24+4.16=9.76-7.75=7.19+7.13=1.39+9.9=7.61-6.4=第4.3+7.54=26+6.82=06-1.14=6.52-1.66=6.78-3.09=3.32-1.41=8.27+7.55=1.28+1.04=5.34+3.49=

87+5.21=34+2.82=4.05+4.26=7.41-1.74=2.49+7.68=7.39-4.54=9.66-9.43=3.54+9.56=37-2.14=74-4.51=9-8.31=3.19-1.62=1.15-1.08=6.22-2=6.22-2.26=3.3+8.05=7.79-4.95=3.76+9.9=9.84+9.59=2.11-2.11=19-2.63=14+6.27=4.75+2.72=4.7-2.56=1.31+5.23=5.2+1.98=7.33-2.02=3.73-2.44=5.22+3.36=4.1+3.53=8.87+2.18=2.28-1.87=1.33+3.93=3.13-1.82=第6.22+8.24=6.06-2.54=6.73+5.92=3.11-1.79=5.05+1.06=35-3.67=85+5.61=1.09-1.07=4.41+7.09=1.4-1.37=3.23+6.28=5.03+7.86=9+9.85=36-7.74=9.88+4.22=

4.72+8.33=3.98-1.02=8.51-4.95=4.36-3.76=9.69-2.97=2.47-1.13=7.44+5.77=7.13+5.1=4.66+4.59=4.87-2.54=1.05-1.02=88-1.31=12+3.92=6.85+7.38=8.02-4.16=1.24+1.51=5+9.89=5+1.06=1.11-1.09=02-5.73=2+7.48=7.47-5.57=3.14-1.13=3.29+3.12=8.76+9.72=

3.53-3.18=7.94-3.38=5.46+5.62=第9.91-2.46=9.84+5.19=9.6-7.31=6.68-5.33=4.2+8.62=2.88-2.37=8.38-7.21=5.79-3.19=4.47+5.7=9.3-3.02=8.29-4.87=4.92+8.68=46+7.07=02+5.96=7.51+2.51=1.24-1.19=4.16+3.3=7.22-5.32=9.88-4.4=6.87+2.01=2.95+4.47=

2.34-1.61=5.38+8.77=32-3.1=87+5.33=4.26-3.69=3.06-1.12=8.47-3.04=1.51-1.05=4.87-2.58=3.55+6.19=9-6.67=3.71+4.82=3.16-2.03=3.92-1.67=2.78+1.07=8.11-5.53=8.83+9.99=3.03+5.3=7.35+7.53=3.22-2.26=56.8-31.52=93.85+7.24=第71.21-11.55=88.47-14.37=61.2+11.02=66.3+25.6=25.98+13.56=50.08-17.81=79.72+19.82=67.9+25.97=88.33-60.72=23.17-16.31=37.28+27.01=64.72-11.23=20.55+32.14=75.07+19.35=70.02+14.72=81.24-67.79=27.82+63.0