Question

caucule o valor de cada expressão
5/7-1/3+1/2

Answer 1

Resposta:

5/7 - 1/3 + 1/2

7, 3, 2|2

7, 3, 1|3 = 2.3.7 = 6.7 = 42

7, 1, 1|7

1, 1, 1

5/7 - 1/3 + 1/2

5/42 - 1/42 + 1/42

42/7 = 6.5 = 30

42/3 = 14.1 = 14

42/2 = 21.1 = 21

30/42 - 14/42 + 21/42 = (30-14+21)/42 = 37/42