28×3+28×6+28
=28×3+28×6+28×1
=28×(3+6+1)
=28×10
=280
`28` x `3+28` x `6+28`
`= 28` x `3+28` x `6+28` x `1`
`= 28` x `(3+6+1)`
`= 28` x `10`
`= 280`
XIN HAY NHẤT Ạ..
Choose the excessive word in the sentence below.