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2025-12-17 14:09:12
推荐回答(1个)
回答1:

(2x-3)/5=2/3 x-3
6x-9=10x-45
x=9

3m-1=3(x+m)-2m
2m=3x+1
m=(3x+1)/2
m=14

(m-3)^2=121