Question

2 x 2 + 2 x 3 + 2 x 4

Tính nhanh :

Answer 1

2 x 2 + 2 x 3 + 2 x 4

= 2 x ( 2 + 3 + 4 )

= 2 x 9

= 18

Answer 2

2 x 2 + 2 x 3 + 2 x 4

= 2 x ( 2 + 3 + 4 )

= 2 x 9

= 18.

Answer 3

2 x 2 + 2 x 3 + 2 x 4 = 2 x ( 2 + 3 + 4 ) 

                               = 2 x 9

                               = 18

k nha

Answer 4

bang 18 nhe ban

Answer 5

2 x 2 + 2 x 3 + 2 x 4 

= 4 + 6 + 8

= 10 + 8

= 18

Answer 6

2x2+2x3+2x4=2x(2+3+4)=2x9=18