x + 50 = 200 - 50
x + 50 = 150
x = 150 - 50
x = 100
tk mình nhé
ai k mình mình k lại
bye bye thank you!
x + 50 = 200 - 50
x + 50 = 150
x = 150 - 50
x = 100
x + 50 = 200 - 50
x + 50 = 150
x = 150 - 50
x = 100
x + 50 = 200 - 50
x + 50 = 150
x = 150 - 50
x = 100.
x + 50 = 150
x = 150 - 50
x = 100
x+50=200-50
x+20=150
x=150-50
x=100
cac cau k cho mink nha!