小数乘除法脱式计算

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1、2.5×7.1×416.12×99＋16.125.2×0.9＋0.97.28×99+7.284.3×50×0.264－2.64×0.526×15.7＋15.7×24(2.275＋0.625)×0.283.94+34.3×0.21.2×(9.6÷2.4)÷4.88.9×1.1×4.72.7×5.4×3.93.6×9.85-5.468.05×3.4+7.66.58×4.5×0.92.8×0.5+1.589.5×10132＋4.9－0.94.8－4.8×0.5(1.25－0.125)×84.8×100.156.5×99＋56.57.09×10.

2、8－0.8×7.094.85+0.35÷1.48.7×17.4-8.7×7.40.87×3.16+4.6412.5×0.4×2.5×80.68÷（5.2-3.5）×1.2540.5÷0.81×0.186.81+6.81×990.25×185×404.4×0.8－3.4×0.8(9.37+9．37+9．37+9．37)×2．54．2.×1.＋1.×1.752.37×6.3+2.37×3.72.5×1.25×0.323.8×10.12.5×(3.8×0.04)7.69×1013.8×10.10.25×39+0.250.125×7246×0.3

3、3+54×0.33(8×5.27)×1.256.81+6.81×990.25×185×406.8×0.75÷0.53.75÷0.125–2.751.53+23.4÷7.29.5×9913.5×0.9812.5×8.81.08×0.8÷0.272.05÷0.82+33.644.28÷0.9÷4.19.07-22.78÷3.40.125×7.41×800.75×18÷0.15