123×121/122?谢谢,怎么写

日期:2021-06-05 05:54:40 人气:1

123×121/122?谢谢,怎么写

123*121/122
= 123*(122 - 1)/122
=123 - 123/122
=123 - (122+1)/122
=123 - 1 - 1/122
=122 - 1/122
=121又121/122
    A+
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