小數(shù)乘除法計算題有標(biāo)準(zhǔn)答案6頁

1、小數(shù)乘除法計算題85.44÷1642.84÷7101.7÷967.5÷15230.4÷65.34 6.12 11.3 4.5 38.421.24÷360.736÷2343.5÷1235.21÷739.6÷240.59 0.032 3.625 5.03 1.656.21÷0.03210÷1.451.3÷0.2791.2÷3.80.756÷0.18207150 190 24 4.20.66÷0.311.97÷1.569.6

2、7;2.938.4÷0.815÷0.062.2 7.98 2.4 48 2505.6×2.93.77×1.80.02×965.22×0.39.99×0.0216.24 6.786 1.92 1.566 0.19984.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.203 12.2 10.1626 0.018864 36.44.88×2.95.61×4.38.9×2.45.5×559.77×0

3、.0214.152 24.123 21.36 302.5 0.19541.384×5.18.78×832.6×610.059×0.24.268×1.77.0584 728.74 158.6 0.0118 7.2556 57×5.79.46×2.8517.8×6.41.5×4.92.5×0.88324.926.961 113.92 7.35 2.25.555×5.22.22×3.337.658×8536.02×0.356.78×828.8867.3

4、926 650.93 10.806 454.24（循環(huán)小數(shù)的用簡便方法，除不盡保留2位小數(shù)）：8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.268.330.89 14.151.57 1.0432÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.70.76 5.32 1.34 56.67 3.44用豎式計算0.396÷1.2= 0.756÷0.36= 15.6×13=0.18×15= 0.33 2.1 202.8

5、2.70.025×14= 3.06×36=0.04×0.12 3.84×2.6 0.35 110.16 0.0048 9.9845.76×3 7.15×22 90.75÷3.3 3.68×0.2517.28 157.3 27.5 0.9216.9÷0.13 1.55÷3.9 3.7×0.01613.76×0.8= 130 0.397 0.059211.0085.2×0.6 8.4×1.36.4×0.5 4.48×0.4 3.12 10.

6、92 3.2 1.792 5.25×535.4×4.2 0.042×0.54 0.76×0.3226.25 148.68 0.02268 0.24320.25×0.046 2.52×3.4 1.08×25 0.12×0.5×0.16 0.0115 8.568 27 0.0096 4.8×0.25 0.125×1.4（保留兩位小數(shù)）1.20.182.5÷0.7= （保留三位小數(shù)） 10.1÷3.3= （商用循環(huán)小數(shù)）3.571 3.06060606.10.75

7、7;12.5= （用乘法驗算） 3.25×9.04= （用除法驗算）0.8629.383、脫式計算（能簡算的要簡算）2.5×7.1×4 16.12×9916.12 5.2×0.90.971 1612 5.587.28×99+7.28 4.3×50×0.2 642.64×0.5728 43 62.6826×15.715.7×24 (2.275 0.625)×0.28 3.94+34.3×0.2 785 0.812 10.81.2×(9.6÷2.4)

8、÷4.88.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46 1 46.013 56.862 308.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.5834.97 26.649 2.98324.90.9 4.84.8×0.5 (1.250.125)×836 2.4 94.8×100.1 56.5×9956.5 7.09×10.80.8×7.09480.48 5650 70.94.85 + 0.

9、35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.412.5×0.4×2.5×8 5.1 87 1000.87×3.16+4.64 9.5×101 0.68 ÷（5.2 -3.5）× 1.25 7.3892 959.5 0.540.5 ÷ 0.81 × 0.18 4.8 ×（15 ÷ 2.4） 9 306.81+6.81×99 0.25×185×40 4.4×0.83.4×0.8681 1850

10、0.8(9.37+9.37+9.37+9.37)× 25 2.37×6.3+2.37×3.7 93.7 23.72.5×1.25×0.32 3.8×10.12.5×(3.8×0.04) 7.69×101 1 38.38 0.38 776.693.8×10.10.25×39+0.25 0.125×72 46×0.33+54×0.3338.38 10 9 33(8×5.27) ×1.25 6.81+6.81×99 0.25×18