Question

Resolva as fracões:

A) 1/4 + 3/4 =


B) 1/7 + 2/7 + 3/7 =


C) 7/10 + 3/10 - 9/10 =


D) 2/5 + 3/5 + 1/5 - 4/5 + 6/5 =


E) 2/5 + 1/3 =


F) 4/5 + 3/8 =


G) 3/5 - 1/3 =


Me ajudem!!!

Answer 1

Resposta:

a)R=4/4

b)R=6/7

c)R=19/10

d)R=16/5

e)R=3/8

f)R=7/13

g)R=4/8