Wpisz w miejscu kropek odpowiednie wyrażenia algebraiczne: x+..........=y x-y+..........=z x-y+...........=y-x
x+y-x=y
x-y+z-x+y=z
x-y+2y-2x=y-x
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x+y-x=y
x-y+z-x+y=z
x-y+2y-2x=y-x