85问答库 > 25×(25+4)的简便运算？

25×(25+4)的简便运算？

2025-03-16 20:49:49
推荐回答（4个）
回答1：

简便计算25×(25+4)
解题思路：不能进行简便运算的按顺序计算，简便运算核心是运用加法和乘法各种定律进行计算，计算出整数部分方便后续计算的过程
解题过程：

25×(25+4)

=25×20+25×5+25×4

=500+125+100

=725

存疑请追问，满意请采纳

回答2：

=25*30-25

=750-25

=725

回答3：

25*25=625
25*4=100
725

回答4：

=25x(30-1)
=25x30-25×1
=750-25
=725

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