October 2018 1 23 Report

Usuń nawiasy i zredukuj wyrazy podobne

Wyrażenia algrebraiczne :

5a + (9 + 7,5a)

(6x - 7x* - 5) + 7x*

* to potęga

8ab + (-2ab + 4a) - 3a

(2a - 5b) + (-8b - 4a)

-7y* + (6 - 4y*) - y* * - to pierwiastek ( 1.2x - 2y - 5,6) + (1,8x - 2)
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