Question

1) Calcule a)4/7 + 5/7 b)8/3 + 1/3 c) 3/2 + 6/5 d) 7/4 + 7/6 e) 2/5 + 1/8 + 3/4 f) 1/3 + 7/9 - 5/6 contas armadas

Answer 1

Resposta:

a)4/7+5/7= 9/7

b) 8/3+1/3= 9/3= 3

c) 3/2+6/5=15+12/10= 27/10

d) 7/4+ 7/6= 42+28/24= 70/24= 35/12

e) 2/5+1/8+3/4= 16+5+30/40= 51/40

5,8,4| 2

5,4,2| 2

5,2,1| 2

5,1,1| 5

1,1,1

e) 1/3+ 7/9-5/6= 6+14-15/18= 20-15/18

5/18

3,9,6| 2

3,9,3| 3

1,3,1| 3

1,1,1

Answer 2

Resposta:

A) 4/7+5/7=9/7 B)8/3-1/3=3/7 C)3/2+6/5=27/10 D) 7/4+7/6=35/12 E)2/5+1/8+3/4=51/40 F) 1/3+7/9-5/6=5/18

Explicação passo-a-passo:

espero ter ajudado