Question

2-Resolva as expressões numéricas: a) (17 + 9) - 8- (11 + 4) =
b) 40 + {50 - [35 - (25 + 5) - 1]} + 7 = + + -
c) 25+ [-4 + 1 -(-3 + 7)] =
d) 300 - {150 : [20 + (8 . (-2)) - 6]} =​

Answer 1

Resposta:

A) (17+9)-8-11+4=

26-19+4=11

B) 40+{50-[35-30-1]}+7=

40+{50-35+30+1}+7=

40+{50-4}+7=

40+46+7=93