February 2019 0 49 Report
DAJĘ NAJ!
1: Zapisz wyrażenie nie używając nawiasów. Zredukuj wyrazy podobne.
a) 3b + (b + 1) =
b) 8n - 3 + (-5n + 7) =
c) 5a - (a + 1) =
d) 6x - (3 + 5x) =
e) 8 - 3y - (-7 - y + 5) =
f) 3 + (8u - 5) - (5u + 2) =
g) 7z - (3 - 4z) + (5 + z) =
h) 1 - 5w - (w + 3) - (4w - 6) =
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