May 2022 1 5 Report
Wynik odejmowanie sum algebraicznych (8x - 3y) - (10x + 2y - 1) =


2x - y - 1

18x - 5y + 1

-2x - 5y + 1

-2x +5 y + 1

wynik dodawania sum algebraicznych (-6a + 5b) + ( a + b) wynosi:
(1 punkt)

-5a + 6b

-7a+ 6b

-5a + 4b

-7a + 4b



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