Odpowiedź:
a) -m+2n-3k+3n-k+3m-4n=-4k+2m+1n
b) -2m+2n+5m-2n-3k+3n-k+2m+n+4k=5m+4n
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Odpowiedź:
a) -m+2n-3k+3n-k+3m-4n=-4k+2m+1n
b) -2m+2n+5m-2n-3k+3n-k+2m+n+4k=5m+4n