Question

22 Simplifique, no caderno, as expressões alge-
bricas a seguir:
a) 2t - t
7) -8.6242 ) +
b) - 4y - (-3)
g) (x - y) - (x + y)
c) 7x - 5x + 2x h) x + 2 - 2x
d) 4m (-2m + 5) i) 4x - 5y + xy - 2x
e) -
2х - Х
3
4
i) ab + a + b - 2ab​

Answer 1

Resposta:

d) 4m (-2m +5) i) 4x - 5y + xy- 2x