Question

 

Tính bằng cách thuận tiện 123+123x477c123x522

 

Answer 1

\(123+123\times477+123\times522\\ =123\times\left(1+477+522\right)=123\times1000=123000\)

Answer 2

\(=123.\left(477+522+1\right)\\ =123.1000\\ =123000\)

Answer 3

=123.(477+522+1)=123.1000=123000