Nghi Nguyen | Chat Online
09/04/2020 13:41:44

Tìm x, biết: A) /x-3/=15


A) /x-3/=15
B) /x-7/+13=25
C) /x-3/-16=-4
D) 26-/x+9/=-13
E /x-5/=3
F /1-x/=7
G ) /2x=5/=7

 

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