Question

12 x 156 - 12 x 56

Answer 1

\(=12\times\left(156-56\right)=12\times100=1200\)

Answer 2

= 1200

Answer 3

1200

Answer 4

1200

Answer 5

tính bằng cách thuận tiện

Answer 6

12 x 156 -12 x 56 =12 x(156-56)=12 x 100 =1200