Question

Tính bằng cách thuận tiện nhất:

(123×5+238)×(40-8×5)

Answer 1

(123x5+238)x(40-8x5)

=(123x5+238)x(40-40)

=(123x5+238)x0

=0

Answer 2

(123 x 5 + 238) x (40 - 8 x 5)

= (123 x 5 + 238) x (40 - 40)

= (123 x 5 + 238) x 0

= 0

Answer 3

(123 x 5 + 238) x (40 - 8 x 5)

= (123 x 5 + 238) x (40 - 40)

= (123 x 5 + 238) x 0

= 0