Question

cho x = - 98 ; m = 61 ; n = - 25. Tính

- x - m + 12 + m

m - n + 7 - 8 + m

Answer 1

- X - m + 12 + m = 110

m - n + 7 - 8 + m = - 13

 

Answer 2

Theo đề , ta có :

\(x=-98;m-61;n=-25\)

Tính :

**** \(-x-m+12+m\)

\(=-\left(-98\right)-61+12+61\)

\(=110\)

**** \(m-n+7-8+m\)

\(=61-\left(-25\right)+7-8+61\)

\(=146\)