Question

. Efectuați calculele:
a) 2.(-10)+10;
c) 3+(-5) -(-20):(-4);
b) 3.(-11) + 22:(-2);
d) -4[ -7 +(-32 + 6).(-2)]
comotiilor​

Answer 1

Răspuns:

a) 2.(-10)+10;

2×(-10)+10=-20+10=-10

c) 3+(-5) -(-20):(-4);

=-2-5

=-7

b) 3.(-11) + 22:(-2);

=-33-11

=-44

d) -4[ -7 +(-32 + 6).(-2)]

=-4[ -7 +(-26).(-2)]

=-4[ -7 + 52)

=-4×(-45)

=180