September 2018 1 17 Report

zadadnie1

Trzeba to rozwiązać sposobami skróconego mnożenia (UWAGI: dwójki za nawiasami i za literkami to potegi)

(1-4x)2

2/a +3a)2

(m2-2k)2

(4-b/2)(4+b/2)

(-a-b)2

(-a+b)2

(a-b)(b+a)


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