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Sto-Elementarnih-Zadataka-2005-A - MIM-Sraga
Sto-Elementarnih-Zadataka-2005-A - MIM-Sraga
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100 Elementarnih zadataka<br />
Skrati razlomke koristeći sve što smo izvježbali do sada:<br />
78)<br />
4x−<br />
6y<br />
6x−<br />
9y<br />
=<br />
79)<br />
2 2<br />
x − y<br />
x + 2xy+<br />
y<br />
2 2<br />
=<br />
80)<br />
4 4<br />
a − b<br />
a − 2ab+<br />
b<br />
2 2<br />
=<br />
81)<br />
( x−<br />
y)<br />
y<br />
− x<br />
2 2<br />
2<br />
=<br />
Pogledaj u formule za ove brojnike u 81) i 82)<br />
82)<br />
( y+<br />
x)<br />
x<br />
− y<br />
4 4<br />
2<br />
=<br />
83)<br />
3 3<br />
x − y<br />
3x<br />
− 3y<br />
2 2<br />
=<br />
84)<br />
x<br />
3<br />
+ y<br />
3<br />
( x+<br />
y)<br />
3<br />
=<br />
85)<br />
2<br />
3x<br />
+ 18x+<br />
27<br />
2<br />
2x<br />
18<br />
−<br />
=<br />
86)<br />
2 2<br />
2x − xy+<br />
3y<br />
3x + 6xy+<br />
3y<br />
2 2<br />
=<br />
©<br />
M I M SRAGA 1999 / 2004<br />
9
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