口算练习(一) 姓名: 时间: 2×5 = 10÷2 = 12÷6 = 12÷2 = 3×7 = 8÷2 = 8÷4 = 20÷4 = 20÷5 = 40÷8 = 18÷3 = 18÷6 = 30÷6 = 30÷5 = 25÷5 = 4÷4= 16÷4 = 8÷4 = 15÷5 = 28÷4 = 15÷3 = 36÷6 = 24÷6 = 24÷4 = 54+27= 46+24= 23+58= 43+29= 68+31= 67-24= 48-26= 74-15= 85-23= ( )×2=4 4×( )=12 ( )五二十五 3×( )=6 二( )十二 2×( )=8 5×( )=15 二( )一十 ( )×4=20 三( )十二 ( )三得九 四( )十六 ( )÷8=1 ( )÷9=3 ( )÷6=4 64÷( )=8 36÷( )=6 72÷( )=9 59+34+12= 56-32+25= 50-19+23= 口算练习(二) 姓名: 时间: 18÷3 = 27÷9 = 64÷8 = 35÷7 = 12÷6 = 63÷7 = 40÷5 = 20÷4 = 18÷6 = 42÷6 = 30÷5 = 30÷6 = 10÷5 = 16÷2 = 8÷2 = 15÷3 = 15÷5 = 36÷6 = 24÷4 = 24÷6 = 5×7+18= 54÷6×7= 27÷9×8= 81÷9+47= 72÷8÷9= 2×9÷3= 3×4÷6= 28÷7×5= 56-18= 45+26= 47-19= 82-14= 45-16= 54+29= 47+35= 28+38= 47+25= 67+19= 68-24-18= 58-26+18= 74-15-18= 73-23+16= 73-46+20= 59+34-15= 56-22-19= 80-29+16= 55-26-13= 57-11+15= 42+19-15= 34+18-26= 700+800= 2300+600= 170+60= 1600-400= 8200-5100= 1800+1100= 500+1900= 2300-500= 4700-800= 8000-3000= 2800-1900= 1400+2500= 7100+800= 190+270= 1400+2600= 4900-3100= 2200-1500= 360-90 = 700+2500= 4500+1200= ( )×8=64 5×( )=35 ( )五一十五 7×( )=56 四( )二十四 4×( )=36 5×( )=15 六( )四十二 ( )×6=30 三( )二十四 ( )四得八 四( )二十八 ( )÷6=9 ( )÷4=4 ( )÷7=8 81÷( )=9 25+17○52 1400○800+700 407○704-202 250-140○90 500+160○650 280-70○250 210-160○40 54÷6×7○45÷5×8 63÷7×4○72÷8×3 28÷4×7○81÷9×3 口算练习(三) 姓名: 时间: 63÷7 = 42÷6 = 54÷9 = 35÷5 = 18÷3 = 63÷9 = 40÷8...