m/4 - 2 = m-6/5?

Chun Yin

2016-11-08 11:10 am

回答 (1)

baby

2016-11-08 12:23 pm

m/4-4/5=m
3m/4=-4/5
3m=-16/5
m=-16/15
m=-1 1/15

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