Zad. 11 str. 177
Rozwiąż równania:
c)
x-2 x - 1
___ + _____ = 1
9 3
P.S. To są ułameki zwykłe!!
x-2/9+x-1/3=1 /*9
x-2+3(x-1)=9
x-2+3x-3=9
4x=14/:4
x=3,5
licze na naj ;d
(x-2)/9+(x-1)/3=1 |*9
4x=14
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x-2/9+x-1/3=1 /*9
x-2+3(x-1)=9
x-2+3x-3=9
4x=14/:4
x=3,5
licze na naj ;d
(x-2)/9+(x-1)/3=1 |*9
x-2+3(x-1)=9
x-2+3x-3=9
4x=14
x=3,5