Question

 

Tính nhanh

       72+36×2+24×3+18×4+12×6+168

 

Answer 1

72+36x2+24x3+18x4+12x6+168

=72+72+72+72+72+168

=360+168

=528

Answer 2

`72 + 36 xx 2 + 24 xx 3 + 18 xx 4 + 12 xx 6 + 168`

`= 72 + 72 + 72 + 72 + 72 + 168`

`= 72xx5+168`

`= 360+168`

`=528`

Answer 3

` 72 + 36 . 2 + 24 . 3 + 18 . 4 + 12 . 6 + 168 `

` = 72 + 72 + 72 + 72 + 72 + 168 `

` = 72 . 5 + 168 `

` = 360 + 168 `

` = 528 `