Question

PLS : EFECTUATI
a) (7-20)inmultit(-3+5)
b) (-5-7):(-6+2)
c) -21:7+[42:(-6)
ms de ajutor

Answer 1

Răspuns:

a) (7-20)×(-3+5) = -13×2 = -26

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

c) -21:7+[42:(-6)] = -3+(-7) = -10