August 2018 1 19 Report
Zredukuj w podanym wyrazeniu wyrazy podobne. Oblicz wartosc liczbowa tego wyrazenia ;
a) x+x+x+x+x dla x= -2
b)x+y+y+z+x+z+x+z+x dla x = 3, y = 2, z=1
c)a+b+2c+2a+3b+4b+3a+3c dla a= 0,5, b= 4, c= 0,1
d) 4x+2y+2-3z-2x+3y+7z+4 dla x= jedna druga w ulamku,
y= jedna piata w ulamku, z= jedna czwarta w ulamku

help!! napiszcie ..

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