Question

67 Calaule


a) 4/5+2/3
b)4/9+6/3
c)1/4+7/3
d)2/7+1/5
e)8/7+9/2
f)5+2/3
g)1/10+1/10
h)6/7+5
i)3 1/2+4/7
j)4/5+1 1/2
​

Answer 1

Resposta:

letra a não tenho certeza