Question

A 7/9-1/6
B 4/5+1/2-5/8
C 7/15-3/15-1/10
D 5/6+1/2
ME AJUDEM

,

Answer 1

Resposta:

A)

7/9-1/6

14-3/18

11/18*

B)

4/5+1/2-5/8

4/5+1/2-5/8

32+20-25/40

27/40*

C)

7/15-3/15-1/10

7-3/15-1/10

4/15-1/10

8-3/30

5/30

1/6*

(forma alternativa: 0,16,6 -1)

D)

5/6+1/2

5+3/6

8/6

4/3*

(forma alternativa 1 1/3, 1,3)