小数计算练习1

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1、8.9×1.1×4.7  2.7×5.4×3.90.8×(3.2－2.99÷2.3)3.6×9.85-5.46    8.05×3.4+7.60.11×1.8＋8.2×0.116.58×4.5×0.9    2.8×0.5+1.58(8.1－5.4)÷3.6＋85.72.5×(3.8×0.04) 7.69×101 (8×5.27)×1.25       0.25×39+0.25        0.125×72 46×0.33+54×0.330.89×4.8＋0.89×0.520.25×13.7×0.44.2×1013.6×992.5×32×1.2556.5

2、×99＋56.50.125×88(1.25－0.125)×845÷0.09÷0.5417.8÷(1.78×4)5.4÷(3.94＋0.86)×0.8(1.25－0.125)×845÷0.09÷0.517.8÷(1.78×4)0.11×1.8＋8.2×0.110.8×(3.2－2.99÷2.3)5.4÷(3.94＋0.86)×0.8(8.1－5.4)÷3.6＋85.72.5×(3.8×0.04)   7.69×101  (8×5.27)×1.25  0.25×39+0.25   0.125×72 46×0.33+54×0.330.91÷0.7＋0.168÷0

3、.86.8÷（0.68×0.25）5.66+9.6÷3.2×51.76－［(0.74＋0.26)÷0.8］4.7×2.34－0.34×4.70.87×3.16+4.642.5×2.43.8÷4÷0.255.7＋6.32＋2.3＋3.6844.7×1.63＋0.37×4.73.75÷[0.3×(1.34－0.84)]5.11－4.25＋1.60.67＋1.28＋9.33＋0.7274.5×4.35－0.35×74.59.9－9.9×(9.9－9.9)3.2×9.91.8×3.2＋0.18×25＋180×0.04312.5×0.4×2.5×8 9.5×1018

4、.4÷0.6+8.4÷0.417.17－6.8－3.2－6.175.4×[(1.3+2.15)÷0.2]16.8×10.110.9－0.9÷0.2+1.81.25×3.2×0.258.9×1.1×4.7          2.7×5.4×3.943.6×9.85-5.46          8.05×3.4+7.66.58×4.5×0.9          2.8×0.5+1.580.125×24  3.75＋3.25×2.4－7.6 5.74×99＋5.744.7×10.27.63×9.9＋0.763     2.8×3.2＋3.2×7.212.5×3.

5、2×2.51.5×9.9   10.2×5.6－1.142400÷16÷0.53.5÷0.7+3.5÷0.53.4÷（1.7×5）   4.9÷0.25＋3.27   3.76×0.25－0.4935÷1.42.8＋4.2÷0.75.44－2.1＋6.56－2.9   6.73＋2.56＋1.44＋3.274