0 .3 2 8÷8= 3.51÷3= 7.21÷7= 23 ÷25= 3.64 ÷14= 37.8 ÷28= 600÷50= 42×0.16= 84×0.25= 0.36×0.9= 2.4÷3= 20×0.5= 0.8×6= 1000×0.09= 1.35÷27= 58×0.32= 1.08×52= 8.5×0.54= 5.62×2.4= 0.28×0.16= 1.06×0.82= 0.06×0.75= 0.41×2.01= 0.63×0.12= 3.5×2.01 1.45×6.5+0.55×6.5 6.12×99+6.12= 5.9×101-5.9= 8÷( )=0.8 25.8÷( )=0.258 452÷( )=45.2 70÷( )=0.7 800.9÷( )=80.09 360÷( )=0.36 18.8=( )平方千米 6.54×1.04= 1.26÷0.84= 0.522÷0.18= 33÷7.5= 10÷0.8= 0.6÷0.015= 0.532÷0.4= 0.05÷0.025= 0.21÷0.012= 3.6÷4.8= 8.01÷0.9= 0.51÷0.85= 6.3÷0.42= 25.2÷63= 0.456÷1.5= 16.43+3.6= 21.5-20.83= 5.7+4.33= 20.1-6.9= 0.65+19.5= 5.2+0.17(保两) 0.29×3.18(保两) 4.48÷2.8+1.5 35.4-9.6÷(2.65-1.05) 6.3×【(0.9+1.8)÷4.5】 以下简便运算 12.5×32×0.25 29.4+1.72+3.56 5.17-1.8-3.2 13.75-(3.75-6.48) 3.45+7.7+16.55+1.3 21.63-(8.5+9.63) 36.59-(6.59+7.3) 7.23+6.84-0.84+2.77 0.312×12= 42×0.16= 84×0.25= 58×0.32= 1.08×52= 54×0.47= 420×3.5= 9.3÷100×1000= 2871÷0.33= 50-16.66= 6×0.73= 3.82×0.45= 3.1×4.05= 0.522÷0.18= 7.54÷0.26= 91.2÷0.024= 1、用竖式计算 0.396÷1.2= 0.756÷0.36= 7.15×22= 90.75÷3.3= 3.68×0.25= 16.9÷0.13 = 1.55÷3.9= 3.7×0.016= 13.76×0.8= 5.2×0.6 8.4×1.3 = 6.4×2.5= 4.48×4.4= 5.25×15 = 35.4×4.2= 0.042×0.54 = 0.76×0.32 = 0.25×0.046= 2.52×3.4= 1.08×25= 0.12×0.5×0.16= (保留两位小数) 3.25×9.04= (用除法验算) 4.8×0.25= 0.125×1.4≈ 10.75÷12.5= (用乘法验算) 2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数表示) 0.43×0.28= 6.45×0.73= 4.6×0.6= 8.9×0.05= 3.08×0.43= 1.5×26.7= 5.22÷29= 18.72÷3.6= 13.95÷3.1= 2、脱式计算(能简算的要简算) 2.5×7.1×4 = 16.12×99+16.12= 5.2×0.9+0.9= 7.28×99+7.28= 4.3×50×0.2= 64-2.64×0.5=2 6×15.7+ 15.7×24= (2.275 +0.625)×0.28= 3.94+34.3×0.2= 1.2×(9.6÷2.4)÷4.8= 8.9×1.1×4.7= 2.7×5.4×3.9= 3.6×9.85...