Question

e) - 8/5 + 3/2=

f)1/3 + 5/4 -3/2 =

g)(-6/7) x (-5/2) =

i)10-5-3+3=

j)23+32 x (8-3)

k)9 x 8 + 16 : 8-6

Answer 1

RESPOSTA (e)

- 8/5 + 3/2=

- 16/10 + 15/10 =

31/10

RESPOSTA (f)

1/3 + 5/4 - 3/2 =

4/12 + 15/12 - 18/12 =

19/12 - 18/12 =

1/12

RESPOSTA (g)

(-6/7) . (-5/2) =

30/14 =

15/7

RESPOSTA (i)

10 - 5 - 3 + 3 =

5 - 3 + 3

2 + 3

5

RESPOSTA (j)

23 + 32 . (8 - 3)

23 + 32 . 5

23 + 160

183

RESPOSTA (k)

9 . 8 + 16 : 8 - 6

72 + 2 - 6

74 - 6

68