Question

Calcule o valor das expressões -{+15-[(-4+20)-20]-7} 3. (-4)+(-5).(-6).(-2)+(-4).(-7) 2+{5.[(6-4:2)^2-15]^4-3)^3 (7-6)^3-[4-(5^2-2^2).7]

Answer 1

Resposta:

(24-20)=4-7=-3

-4+-5=-9 -