Question

какой правильный ответ​

Answer 1

1) x = -5

y = 6

z = (x + 3) / y - y / (x + 2)

2) m = -1

n = 1

z = (2 * m - n) / (3 * m + 2 * n)

z

3) a = -0.8

z = (a**2 - 2 * a) / (4 * a + 2)

z