Question

sendo A=(7×2+2×-7) e B=(4×2-3×+6) determine

a) a+b=

b) a-b=

URGENTE!!​

Answer 1

Resposta:

A=(7×2+2×-7)=0

B=(4×2-3×+6)= -10

a)a+b=0+-10= -10

b)a-b=0- -10= -10

BONS ESTUDOS ;)