口算练习题一4.95÷0.9=9.65÷0.1=0.325×100=2.5×8=×=×=12×=＋3=0.6÷＝4.4－3＝÷＝×＝3.6－1＝×＝÷＝1.5÷0.05＝.5×0.4＝÷3=36×=÷=18×700=400÷80＝64÷4＝360÷20＝1÷=÷4=3－1.95=－=1.64÷41=10÷20=24÷15=8.65×10=45＋÷9＝1－÷＝3×÷3×＝10－0.9＝9.5+5=4－＝7÷1.4＝==÷＝5.8×9＋5.8＝=×=×=×=＋－＋＝正确率：口算练习题二＋=×=÷8=＋=0.56÷0.7=0.125×4=3.28×0.1=3.9÷0.13=÷=×27=26×=×2=÷=÷=×2=×13=×3=－=×8=＋3=17.2+12.8=46.7－3.8=12.8÷4=5.2÷13=3.6－1＝×＝÷＝1.5÷0.05＝×=÷=24÷=×=12÷=1÷7＋＝÷=1－1×＝===25××4=============8×=×15===正确率：口算练习题三2.5×0.4＝÷3=36×=÷=0.35×0.6=3.08×0.01=4.95×1000=5÷6=÷5=×18=÷=×=÷=24÷=×=18×700=400÷80＝64÷4＝360÷20＝×=÷=×=1.8×=0.35×0.6=3.08×0.01=4.95×1000=6.9×0.1=×=＋=4×=12÷=46.7－3.8=12.8÷4=5.2÷13=12.5÷5=0.25×3.97×4=（1.2＋8.8）×0.4=40×20%=××380-290=10.2+0.02=0.15+0.7=670+250=10.2+0.2=25×100=3.2-0.32=2+2.8=18.3×5.9=正确率：2口算练习题四0.21×100=0.7×4=0.05×4=4×0.3=1÷=÷4=3－1.95=－=5×400=×=÷=24÷=×=×=＋6=×8=0.56÷28=0.36÷0.4=0.4×0.5=6×=×11=10÷=×=5×=5－=×12=3.7＋5=300×0.3%=430-250=0.17+0.06=1.02-0.09=7200÷800=0÷10%=6.8×80%=－（－）＝40×20%=25×4=0.125×8=4.8÷0.3=0.96÷2===========45＋÷9＝4.8÷0.3=＋=4×=×＝÷＝2.5×0.4=1.5÷0.05＝1－÷＝3×÷3×＝25××4＝9.5-9.5×0=正确率：口算练习题五×11=10÷=×=5×=10÷10%=6.8×80%=6×=12÷=÷1=12÷=1÷=×=4.7+2.3=6.9－2.5=7.2×0.8=6×3.4=3×=÷=×=1.8×=×2=÷6=＋1÷7=×=0.62－0.32=1.4×0.5=0.75×100=0.68+0.42=28÷=0×=×=－=1÷2.5=1.25×0.8=3.2÷0.04=0÷1.7=0×＋=×＋0.6=－＝0.24×5＝正确率：口算练习题六×=÷2=×=÷=8÷＝2.75÷＝3.2－=＋=5－=×12=3.7＋5=300×0.3%=28÷=1÷×=1÷＝×＝0.3×=÷=×=32×0.4＝0.02×0.5=3.6÷0.3=6.3÷7=5.6÷100=×=×=0×=5－=1.5×7=1.32×8=0.7×8=10.3×2=430-250=0.17+0.06=1.02-0.09=7200÷800=2.4÷0.8=10.8÷9=9.6÷0.8=0.108÷2=×=×0÷=1÷=×16=×-=××=－（－）=正确率：4口算练习题七×=×0÷=1÷=×16=0.081×10=75÷10=0.96÷0.8=0.8×7=×=24×5=÷=0.3÷=5×0.6=0.9×0.3=3.5×0.2=2.01×0=×=×=＋6=×8=9.2-6=8500÷500=3.2-3.2=3.7+2.3=6÷=0÷=6.3÷0.07=26×=7.2×0.1=0.01×0.1=0.25×0.4=1.6÷0.8=5×400=×=÷=24÷=×-=××=+（－）=正确率：口算练习题八17×300=0.98-0.09=0.2+0.78=600×700=×=÷=24÷=×=0.56÷28=0.36÷0.4=0.4×0.5=6×=＋=×=÷8=＋=0.47+0.13=4.5+4=4-0.6=0.95+0.05=1÷=÷4=3－1.95=－=5×99＋=－=25×4=0.125×8=×÷=×÷×=1－=0.1－0.01＝0.22×102=9÷0.25÷4=×=正确率：口算练习题九×=1÷=÷8=7×＝×12=×=－=＋=÷＝14÷=12÷=1÷1%=9.5+0.5=+=0÷×2=1－=×=÷=－=××9=6.9×0.1=4.9÷6.3＝＋＝×＝1――＝＋＝÷＝9÷＝12÷=－=6.8÷10%=4.5＋=301-199=0.24×300=÷=2.5+0.25=6×=1÷=÷60%=×15====×+=0.25×3.97×4=（1.2＋8.8）×0.4=40×20%=×=-=0.3÷6=2.4×=4.2÷=1.25×0.7×8=1－＝÷30＝1.4÷3.5＝×1.3＋×3.7＝（＋）×12＝（估算）49×301≈350×0.02＝1.9×4×0.5＝9×÷9×＝0.6÷0.2=正确率：计算练习题（混合运算和简便运算）÷+÷3(1--)÷（1÷+÷1）×8＋÷（－×）12÷（1+-）×4÷×4－÷3＋÷－×＋÷×（＋）÷÷[×（1－）]×＋×7（＋）×483--×+×0.6×+÷×101-28×(+-)×5190×25×4（39×+×4）÷-(-)8.37-3.25-(1.37+1.75)15+4.25―50.125×+×8.25+12.5%1×÷×××14×5×185–3×+××××+×（+）×15××（+）×36×××8÷+×÷÷（+）×（–）×1–÷98××126（＋）×15×＋×8××2.5×97×0.41.25×97×8÷+÷3(1--)÷（1÷+÷1）×812÷（1+-）×4÷×41×÷×－÷3＋÷－×＋÷（－×）×（＋）÷÷[×（1－）]5-×...
