Question

Calcule os números inteiros: (+5)+(-8), (-2)-(-3), (-3)-(-9), (-7)-(-8), (-8)+(-6)-(-7), (-4)+(-6)+(-3), 15-3-(-1), 32-(+1)-(-5), 8-(+4-1), -5-(-2+3-1), 18+(-1+8+2), 20-(+6-1+7), 14+(+7)+(-6+4), 15-(2-4)-6, 5+(+6-8)+4

Answer 1

-3,-5,-12,-15,-21,-13,13,28,11,-5,27,32,19,3,7