Question

Calcule:
A) 4/5+1/2-5/8=
B) 1/2 + 1/4-1/8=
C) 1 inteiro 1/2+2-9/10=
D)5 inteiros 2/3+4/5-2/3=

Answer 1

as opções corretas letra a) 27/40 b) 5/8 c) 16/10 d) 52/15