Question

efetue as operações abaixo:
A) 9/5 + 11/5
B) 6/8 + 5/8
C) 9/5 - 2/5
D) 9/11 + 7/11 - 2/11
E) 19/7 - 10/7 + 9/7​

Answer 1

A) 20/5

B) 11/8

C) 7/5

D) 14/11

E) 18/7