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x+5-II liczba
29-suma tych liczb
x+x+5=29
2x+5=29 /-5
2x=24 /:2
x=12 -I liczba
x+5=12+5=17-II liczba
Iloczyn: x*(x+5)=12*17=204
Iloczyn tych liczb wynosi 204 ;))
x+y=29
x=y+5
x*y=?
x+y=29
x=y+5
2y=24
y=12
x=17
x*y=12*17=204