(1+25%)/(1-25%)简便计算

日期:2022-03-06 15:05:08 人气:1

(1+25%)/(1-25%)简便计算

(1+25%)/(1-25%)
=(1+1/4)/(1-1/4)
=5/4÷3/4
=5/3
5X3/4+1/3
=15/4+1/3
=45/12+4/12
=49/12
    A+
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