Prosze pomóżcie...
2(3w-1)-w+2/2
i....
3(a-2b)-5(b-2a)
2(3w-1)-w+2/2=6w-2-w+1=5w-1
3(a-2b)-5(b-2a)=3a-6b-5b+10a=13a-11b
proste :D
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2(3w-1)-w+2/2=6w-2-w+1=5w-1
3(a-2b)-5(b-2a)=3a-6b-5b+10a=13a-11b
2(3w-1)-w+2/2=6w-2-w+1=5w-1
3(a-2b)-5(b-2a)=3a-6b-5b+10a=13a-11b
proste :D