Question

Tinh nhanh 

16 x9 + 4 x 8 x 17 x 2

Answer 1

16 x9 + 4 x 8 x 17 x 2 

= 16.9+68.16

= 16.(9+68)

= 16.77

=1232

Answer 2

16 x 9 + 4 x 8 x 17 x 2 = ?

= { 16 x 9 + 4 x 8 } x 17 x 2

= 16 x 9 + 16 x 2

= 16 x { 9 + 2 }

= 16 x 11

= 176 x 17 x 2 = 5984

Answer 3

16 x 9 + 4 x 8 x 17 x 2 = ?
= { 16 x 9 + 4 x 8 } x 17 x 2
= 16 x 9 + 16 x 2
= 16 x { 9 + 2 }
= 16 x 11
= 176 x 17 x 2 = 5984

 

Answer 4

16 x 9 + 4 x 8 x 17 x 2 = ?

= { 16 x 9 + 4 x 8 } x 17 x 2

= 16 x 9 + 16 x 2

= 16 x { 9 + 2 }

= 16 x 11

= 176 x 17 x 2 = 5984