Question

resolva as operaçoes / a) 3/4+7/3 b)9/5-1/7 c) 7/12+12/3-5/4 d)3/6+31/4-7/3 e)29/10-6/5+17/2

Answer 1

Resposta:

a) 37 b) 58 c) 55 d) 71 e) 102

Explicação passo-a-passo:

letra a:

3/4 + 7/3 = X

MMC = 12

9 + 28 = 37

letra b:

9/5 - 1/7 = X

MMC = 35

63 - 5 = 58

letra c:

7/12 + 12/3 = X

MMC = 12

7 + 48 = 55

letra d:

3/6 + 31/4 - 7/3 = X

MMC = 12

6 + 93 - 28 = 71

letra e:

29/10 - 6/5 + 17/2 = X

MMC = 10

29 - 12 + 85 = 102