Toán Lớp 6: Tìm x, biết
150-5.(x + 12)=65
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Toán Lớp 6: Tìm x, biết
150-5.(x + 12)=65
Comments ( 2 )
5.(x+12)= 150-65
5.(x+12)=85
x+12=85/5
x+12=19
x=5