Question

1°)Resolva as expressões

a)13-[(-1).(4-5)-2.(-11)
b)13+2[-7-5.(-9+4)]
c)-20-5.[(-2).(4-7)+8-2.5]
d)-20-6.[(-1).(10-3.7)+8-5.4]

URGENTE

Answer 1

A)34
B)33
C)-62
D)-32

Espero ter ajudando