Question

calcule a expressa numerica (-46)+(-52)+(+31)-(-17)+(+63)

Answer 1

-46-52+31+17+63
-98+48+63
-50+63
13

Answer 2

= (- 46) + ( - 52) + ( + 31) - ( - 17) + ( + 63)

= - 46 - 52 + 31 + 17 + 63
= - 98 + 48 + 63
= - 98 + 111
= 13