Question

tính nhanh

8x12-16

Answer 1

8 x 12 - 16 = 80

Answer 2

8 x12 - 16

= 8 x 2 x 6 - 16

= 16 x 6 - 16

= 16 x ( 6-1 )

= 16 x 5

= 80

Answer 3

8 x12 - 16

= 8 x 2 x 6 - 16

= 16 x 6 - 16

= 16 x ( 6-1 )

= 16 x 5

= 80