February 2019 0 6 Report
Podane wyrażenia zapisz w jak najprostszej posatci
a) 3b + (b + 1)
b) 5a + (a - 1)
c) 2x - (3 - 5 - x)
d) 2a + (3a - 2b) + (a + b)
e) 7k - (m - 2n k) - (5k - 3) + (2k - 1)
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