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vyhale4724
2 năm trước
a)4.(2-x)+3.(x-5)=14 b)5.(x-3)-2.(x+6)=9 c)5.(x-7)+10.(3-x)=20 d)-4.(x+1)+8.(x-3)=24 e)4.(x-1)-3.(x-2)=-/-5/
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