Question

18 calcule
a)4/7 + 5/7
b)8/3-1/3
c)3/2+6/5
d)7/4+7/6
e)2/5+1/8+3/4
f)1/3+7/9-5/6
resposta certa pfvr​

Answer 1

Resposta:

a) 9/7

b)7/3

c)15/10+12/10=27/10

d)21/12+14/12=35/12

e)16/40+5/40+30/40=51/40

f)6/18+14/18-15/18=20/18-15/18=5/18

me segui aí