Question

Efetue a)(3×2+9×_5)+(2×2_8×_3)​

Answer 1

Resposta:

(3×2+9×-5)+(2×2-8×-3)

(6+9×-5)+(4-8×-3)

6+9×-5+4-8×-3

9×-8×=-3+5-6

×=-9+5

×=-4