x + 10 = 10 + 10
x + 10 = 20
x = 20 - 10
x = 10
ai k mk mk tk lại
x + 10 = 10 + 10
x + 10 = 20
x = 20 - 10
x = 10
x+10=10+10
x+10=10.2
x+10=20
x=20-10
x=10
x + 10 = 10 + 10
x + 10 = 20
x = 20 - 10
x = 10
x + 10 = 10 + 10
x + 10 = 20
x = 20 - 10
x = 10
x + 10 = 10 + 10
x + 10 =20
x =20 - 10
x =10
x + 10 = 10 + 10
x + 10 = 20
x = 20 - 10
x = 10
ai k mik mik k lại
x + 10 = 10 + 10
x + 10 = 20
x = 20 - 10
x = 10
k mình nhé
x + 10 = 10 + 10
x + 10 = 20
x = 20 - 10 = 10