Question

mim ajudem porfavor e urgente​

Answer 1

Resposta:

1 - a) 4/5 b)2/3 c)1/5 d)1/5 e) 15/20 f) 1/6 g)0   h)2/5

2 - 3/20

3- 17/20

Explicação passo-a-passo:

2 - 11/20 - 2/5 = 3/20

mmc(20;5)

20;5|2

10;5|2

 5;5|5

 1;1|_____

        2² * 5 =20

3 -    3/5+1/4 = (12+5)/20 = 17/20