123*235-24*235+235的简便计算
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123*235-24*235+235的简便计算
123*235-24*235+235的简便计算
123*235-24*235+235的简便计算
235*(123-24+1)
= 235*100
= 23500
提取公因数235
(123-24+1)×235
(123-24+1)乘235
(123-24+1)*235