Question

Calcule expressões
a) 14:2+(13-(4.2+1))
b) (9.(12-4)+2.(8-6)).2-20
c) 50-3.(7+8:4-(20-3.(9-5))

Por favor me ajudem !!

Answer 1

A) 7+(13-8+1)= 7+(13-9)= 7+4=11
B) 9.8+2.2-20=72+4-20=56
C) 50-3.(7+2-(17.(4)= 50-3.(7+2-(68)= 50-3.(14-68)= 50-3.(-54)= 50+162=212