1、6.7×0.3 2.4×6.2 0.56×0.04 3.7×4.6 0.29×0.07 6.5×8.4 3.2×2.5 2.6×1.08 0.86×7 3.5×16 12.5×42 1.8×23 0.37×0.4 1.06×25 7×0.86 0.6×0.39 27×0.43 0.049×4
2、5 0.8×0.9 1.7×0.45 25.2÷6 34.5÷15 7.83÷9 4.08÷8 0.54÷6 6.3÷14 72÷15 14.21÷7 1.8÷12 22.4÷4 24÷15 1.26÷18 43.5÷29 18.9÷27 1.35÷15
3、 28.6÷11 20.4÷24 3.64÷52 15.6÷12 328÷16 5.04÷6 76.5÷45 0.84÷28 7.65÷0.85 12.6÷0.28 62.4÷2.6 0.544÷0.16 1.44÷1.8 11.7÷2.6 19.4÷12 5.98÷0.23 19.76÷5.2 10.8
4、÷4.5 21÷1.4 8.84÷1.7 6.21÷0.03 180.24 18÷2.4 1.8÷0.24 13.5÷30 13.5÷0.3 13.5÷0.03 28÷18 78.6÷11 400÷75 15÷16 1.5÷7 5.7÷9 5÷8 6.64
5、÷3.3 9.4÷6 38.2÷2.7 12.4÷11 3.7÷2.2 220.5÷3 2.5÷0.4 25÷1.5 1.89÷0.54 7.1÷2.5 0.51÷0.22 32.5÷2.5 1.36×0.05 0.06×1.7 2.08×75 49÷2.6 2.3÷0.46
6、 1.93+2.7 2.73×1.5 28.5÷15 8.3-2.63 脱式计算 72×0.81+10.4 7.06×2.4-5.7 50.4×1.9-1.8 3.76×0.25+25.8 0.75×18÷0.15 2.07÷0.23÷0.45 21.36÷0.8-12.9 7.28+3.2÷2.5 1.08×0.8÷0.27 2.05÷0.82+33.6 44.2
7、8÷0.9÷4.1 9.07-22.78÷3.4 5.5×17.3+6.7×5.5 3.8+4.29+2.1+4.2 解方程 x+3.2=4.6 x-1.8=4 x-2=15 1.6x=6.4 x÷7=0.3 x÷3=2.1 x+0.64=14.14 x+0.3=1.8 5x=1.5 2x-20=4 3+x=5.4 x-1.5=
8、4 x-6=7.6 x÷1.1=3 x÷5=15 0.2x=6 3x+6=18 2x-7.5=8.5 16+8x=40 4x-3×9=29 2x+2.8×2=10.4 x+2.4x=5.1 2(x-2.6)=8 5(x+1.5)=17.5 x+4.8=7.2 8(x-6.2)=41.6 (x-3)÷2=7.5 13.2x+9
9、x=33.3 8x-3x=105 x-6.5=3.2 X÷8=0.4 6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 x-0.36=16 5.4x+x=12.8 3.8+x=6.3 x-7.9=2.6 2.5x=14 x÷3=1.2 3.4x-48=26.8 2x-97=34.2 42x+25x=134 13(
10、x+5)=169 2(x-3)=5.8 5x+7=42 x÷4.2=2 3.6x-x=3.25 简算 0.25×4×4.78 0.65×201 4.8×0.25 2.33×0.5×4 1.5×105 1.2×2.5+0.8×2.5 0.034×0.6 102×0.45 0.5×1.25×2×8×11 3.2×2.5 104×2.5 1.25×(4-0.8) 5






