October 2018 1 36 Report

Zadanie 19/165 Zapisz w jak najprostrzej postaci : a)(a+b)-(2a-b)-(a-2b) b)(3x-y+1)-(x+y)+(y-x) c) -(kx+ny)-(3kx+2ny)+(5kx-3ny) d)(2ab+a+3)-(3ab-a+3) Matematyka z plusem Prosze,abyscie mi wszystko dokladnie rozpisali!!:) DAje naaaj!! ;-*


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