Question

1- Determine:
a) 1/5 + 2/6 . 3/2
b) -6/5 + 4/15
c) 7/5 + 2/3
d) -1/2 - 2/3 - 3/4
e) -1/5 + 3/10 -2/20

Me ajudem por favor

Answer 1

Resposta:

0,7

-14/15

31/15

-23/12

0

Explicação passo-a-passo:

a) 1/5 + 2/6 . 3/2

1/5 + 6/12

1/5 + 1/2

2+5/10

7/10

0,7

b) -6/5 + 4/15

-18+4/15

-14/15

c) 7/5 + 2/3

21+10/15

31/15

d) -1/2 - 2/3 - 3/4

-6-8-9/12

- 23/12

e) -1/5 + 3/10 - 2/20

-4+6-2/20

0/20

0