Question

Efectuați:
a) (7-20).(-3+5);
b) (-5-7):(-6+2);
c) - 21:7+[42:(-6)].
76
Dau coroana + 20 puncte
Urgent!!!Va rog!!​

Answer 1

a) (7-20).(-3+5)=-13*2=-26

b) (-5-7):(-6+2)=-12:(-4)=3

c) - 21:7+[42:(-6)].76=-3-7*76=-3-532=-535