April 2019 0 6 Report
Siema proszę pomozcie ale tak jak tu, tu daje przykład: a) 2a + (3a - 7) = 2a + 3a -7 = 5a - 7
b) (2x - 3) + x = 2x - 3 + x = 3x - 3
Zrobcie to takim sposobem

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