Oblicz.
-4k+10l-2k(do kwadratu)=
16k+100l+4k= 20k+100l
-4k+10-2k(do kwadratu)= -4k+10l-4k= -8k +10l
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16k+100l+4k= 20k+100l
-4k+10-2k(do kwadratu)= -4k+10l-4k= -8k +10l