Resposta:
a)½+3/2=4/2
b)4/3+5/3=9/3
c)5/6+2/6=7/6
d)1/2+1/3=2/5
e)1/2+1/4=2/6
f)1/3+1/4=2/7
g)3/4-2/3=1/1
h)2/5-1/3=1/2
i)6/4-1/7+1/2=6/1
j)2/9+1/8-1/6=2/11
k)1/2+3=4/2
Explicação passo-a-passo:
se tiver errado me desculpa
