February 2019 0 63 Report
DAJĘ NAJ!
2: Zapisz wyrażenie nie używając nawiasów. Zredukuj wyrazy podobne.
a) 5 + 6x + (4y - 5x - 3) =
b) 2u - 4w + (7 - u + w) =
c) 2a + (3a - 2b) + (a + b) =
d) 2 - 3s + (2 - 3s + 4t) + (1 + 6s) =
e) 5m + 3n - 5 - (2m - 3n - 5) =
f) 3 - (4a - 6b) + (2 - a - 7b) =
g) -2c + 4 - (3c + 2d) - (5d - 2) =
h) 8p - (3 - 4p - r) - (2 + 3p + 5r) =
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