October 2018 1 22 Report

Zamień sumy na iloczyny 1) 5a+5b 2) 7-7a 3) a(2-x)+b(2-x) 4) 2a(3x+2y)-2b(3x+2y) 5) 6x (do kwadratu)(a+b) +a + b 6) (2x+3) (do kwadratu) +3x(2x+3) 7) a(x-2y) - 3b(x-2y) +2c(x-2y) 8) pierwiastek z 3(2a+5) - pierwiastek z 2(2a+5)+2 pierwiaski z 3(2a+5)


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