Question

A) (+2/5)+(-7/5)
B) (-8/3)+(-1/3)
C) (+1/7)+(-2/3)
D) (-4/5)+(-2/3)
E) (+1/4)-(-2/3)
F) (-3/5)×(-2/9)
G) (+1/7)×(-2/5)
H) (+6/5)×(+2/5)
I) (-1/2)×(+1/4)×(-5/3)
J) (+4/5)÷(-3/8)
K) (-1/3)÷(-1/9)
L) (-5/6)÷(+7/3)
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Answer 1

Explicação passo-a-passo:

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A) (+2/5)+(-7/5)

2/5 - 7/5 =>

=> - 1

B) (-8/3)+(-1/3)

- 8/3 - (- 1/3) =>

=> - 3

C) (+1/7)+(-2/3)

1/7 - 2/3 =>

- 11/21

D) (-4/5)+(-2/3)

- 4/5 - 2/3 =>

- 22/15

E) (+1/4)-(-2/3)

- 1/4 + 2/3 =>

5/12

F) (-3/5)×(-2/9)

1/5 × 2/3 =>

2/15

G) (+1/7)×(-2/5)

- 2/35

H) (+6/5)×(+2/5)

12/25

I) (-1/2)×(+1/4)×(-5/3)

5/24

J) (+4/5)÷(-3/8)

4/5 × (-8/3)

- 32/ 15

K) (-1/3)÷(-1/9)

- 1/3 × (- 9/1)

9/3

3

L) (-5/6)÷(+7/3)

-5/6 × 3/7

-15/42. ( ÷3)

-5/14