Question

7 qual eo valor da expressào x-y,para x =-10 e y = -30?

Answer 1

Expressão numérica:

$\mathtt{x - y} \\ \mathtt{x = -10} \\ \mathtt{y = -30} \\ \\ \mathtt{(-10) - (-30)} \\ \mathtt{-10 +30} \\ \mathtt{20} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta : 20}}}$