April 2021 0 35 Report
Holi me ayudan plisss 8. Calcule el valor de las siguientes expresiones para x = -1, y = -2 z = 2:

a) x – (y – z) + x =

b) x – y – z =

c) (-z) – x + 2 + x =

d) x – (x – y) – y + (-2) =

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