Question

Calcule o valor numerico 3 + a - b,para a = 2/3 e b 1/2​

Answer 1

Resposta:

19/6

Explicação passo-a-passo:

= 3 + a - b

= 3 + 2/3 - 1/2

= 3 + 2/3.(2/2) - 1/2.(3/3)

= 3 + 4/6 - 3/6

= 3 + 1/6

= 3.(6/6) + 1/6

= 18/6 + 1/6

= 19/6