Oblicz wartoś wyrażenia x-6x+8 Dla x= jednapiąta
x=1/5
x-6x+8
1/5-6*1/5+8=1/5-6/5+8=-1+8 = 7
x-6x+8=-5x+8
x=0,2
-5·0,2+8=-1+8=7
Odp.: Wynik to 7.
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x=1/5
x-6x+8
1/5-6*1/5+8=1/5-6/5+8=-1+8 = 7
x-6x+8=-5x+8
x=0,2
-5·0,2+8=-1+8=7
Odp.: Wynik to 7.