Question

Tính \(15,76\text{×}30,7+15,76\text{×}19,3-50\text{×}5,76\)

Answer 1

`15,76xx30,7+15,76xx19,3-50xx5,76`

`=15,76xx(30,7+19,3)-50xx5,76`

`=15,76xx50-50xx5,76`

`=50xx(15,76-5,76)`

`=50xx10`

`=500`

Answer 2

Answer 3

500

Answer 4

500