September 2018 1 28 Report

1. Zapisz w jak najprostszej postaci:
2(3x - 2y + 3z) - - 5(x - y - z)
4x(x - y z) - 2x(4x - y + z)
-3x²(x - ⅔y) + 5x(x²07xy)
-2√2(a + √2b) - a (a√2 - 2b)

2. Zapisz w postacji sum algebraicznych
(2a+b) ·c - (2ac-bc+1)
5(x-z)+2(z-x)
2x²(x - 5) - 3x(x²-3x+5)
6 (a² + b + ⅓) - 6 (a² - ½) - 3 (b + ⅓)

na dziś.


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