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x- bok prostokąta
x+1-drugi bok
ob=32
2x + 2(x+1)=32
2x+2x+2=32
4x=32-2
4x=30
x=7,5cm jeden bok
x+1=8,5cm drugi bok
2.
x-cena batona
x+1 - cena czekoady
5(x+1)+3x=17
5x+5+3x=17
8x=17-5
8x=12
x=1,5 zł cena batona
x+1=1,5+1=2,5 zł cena czekolady
Liczę na naaaj :))