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Uprość wyrażenie 2(x+y)-5(x+y)+4(x+y)
2(x+y)-5(x+y)+4(x+y)=2x+2y-5x-5y+4x+4y=x+y
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2(x+y)-5(x+y)+4(x+y)=2x+2y-5x-5y+4x+4y=x+y
Pozdrawiam
2(x+y)-5(x+y)+4(x+y)=2x+2y-5x-5y+4x+4y=x+y