Question

1 - Efetue as divisões:
a) 5/6 + 4/5 =
b) 1/2 - 3/4 =
c) 5/6 - 8/9 =
d) 4/3 + (-1/2) =
e) 20/3 - 2/3 =
f) (-5/2) + (-1/2) =
g) 9/2 + 4/5 =​

Answer 1

Resposta:

a)7/73=84

183/84

264/7464

573/

53683

Answer 2

a)6,5/2

3,5/3

1,5/5

1,1

2×3×5=30

5/6+4/5=5+6/30

11/30

b) 2,4/2

1,2/2

1,1

2×2=4

1/2-3/4=2-1/4

1/4

c) 6,9/2

3,9/3

1,3/3

1,1

2×3×3=18

5/6-8/9=3-2/18

1/18

d) 4/3-1/2

3,2/2

3,1/3

1,1

2×3=6

4/3-1/2=2-3/6

-1/6

e) 18/3

f) -5/2-1/2=-7/2

g) 2,5/2

1,5/5

1,1

2×5=10

9/2+4/5=5+2/10

10/10=1.