Zad 1 Wyznacz NWW liczb 26 i 78,NWD liczb 380 i 180
Zad 2 Doprowadź do najprostszej postaci:
(3x+5) do kwadratu - (7-2x)do kwadratu + (3x+9)(3x-9)=
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1.
380=2*2*5*19
180=2*2*3*3*5
NWD(380, 180)=2*2*5=20
2.