Question

Resolva as expressões

A)(12-5)+3=

B)2+5+[7-(3-1)=

C) [2+(5+7)-3]-1=

D)36-5+12+10=

E)(36-5)-(12+10)=

Answer 1

a) 10
b) 12
c) 10
d) 53
e) 09

Answer 2

A) 7+3=10
B) 2+5+5=12
C) 11-1=10
D) 56
E) 31-22=9