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用简便方法计算:125x32一125x24

125x32-125x24 =125x(32-24) =125x8 =1000 谢谢,请采纳

125x4X8

125×32—125×24 =125×(32—24) =125×8 =1000

原式 =125x8x4-125x8x3 =1000x4-1000x3 =4000-3000 =1000 或者: 125x(32-24) =125x8 =1000

125X32x24 =(125×8)×(4×24) =1000×96 =96000

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