51乘99 51用简便方法计算怎样算?

2025-04-30 07:16:06
推荐回答(1个)
回答1:

解:缺少运算符号,根据题意调整如下:

51x99+51

=51x99+51x1

=51x(99+1)

=51x100

=5100
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