Question

-8+2 ,12+(-14),-16+15,-6+17,21+(-9),-121+98,137+(-112),-291+29Dau 40 puncte

Answer 1

-8+2 = -6

12+(-14) = 12 - 14 = -2

-16+15 = -1

-6+17 = 17-6 = 11

21+(-9) = 21-9 = 12

-121+98 = -23

137+(-112) = 137-112 = 25

-291+29 = -262