132+123+123+123+123+123+123123+123+123+123+123+123+123+123+123=?
nhanh tay minh tick
toán đố
123+123+123+123+123+123+123+123+123+123+123+123+321+321+321+321+321+321+321+321+321+321+321
123-123+123-123+123-123=
123 + 123 - 123 + 123 - 123 = ???
123 + 123 - 123 - 123 =
123+123+123+123=
123-123-123=x
x=123+123+y
y=?
123+123-123
123+123+123= bao nhiêu