191问答库 > 124x25-24x25的简便运算

124x25-24x25的简便运算

2025-03-16 23:41:45
推荐回答（3个）
回答1：

这很简单，先观察一下这个算式，发现，这个算式中有两个25，这时，我们应该想到可以用乘法分配律，把相同的放到括号的外面，不相同的放到括号的里面，中间是减号，括号里面则用减号连接，即:
124×25－25×24
=（124-24）×25
=100×25
=2500

回答2：

（124-24）*25=100*25=2500

回答3：

（124-24）*25=2500

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