Question

Calcule: A)1/3x-1/5x b)5+x+y/x-y

Answer 1

Resposta:

Explicação passo-a-passo:

A) 1/3x - 1/5x =

5/15x - 3/15x = 2/15x

B) 5 + x + y/x - y =

5x/x + x²/x + y/x - xy/x =

x² + 5x - xy + y

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