28.3×50×0.264-2.64×0.5简算
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答案372.24,简便计算。 28.3x50x0.264-2.64x0.5 =283x5x0.264-0.264x5 =0.264x5x(283-1) =0.264x5x282 =0.264x1410 =372.24运用乘法分配律的逆运算
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28.3×50×0.264-2.64×0.5简算
答案372.24,简便计算。 28.3x50x0.264-2.64x0.5 =283x5x0.264-0.264x5 =0.264x5x(283-1) =0.264x5x282 =0.264x1410 =372.24运用乘法分配律的逆运算
答案372.24,简便计算。 28.3x50x0.264-2.64x0.5 =283x5x0.264-0.264x5 =0.264x5x(283-1) =0.264x5x282 =0.264x1410 =372.24运用乘法分配律的逆运算