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\frac{1}{2}a+\frac{1}{2}\left(-2\right)b-\frac{1}{3}\left(3a-b\right)
Uporabite distributivnost, da pomnožite \frac{1}{2} s/z a-2b.
\frac{1}{2}a+\frac{-2}{2}b-\frac{1}{3}\left(3a-b\right)
Pomnožite \frac{1}{2} in -2, da dobite \frac{-2}{2}.
\frac{1}{2}a-b-\frac{1}{3}\left(3a-b\right)
Delite -2 s/z 2, da dobite -1.
\frac{1}{2}a-b-\frac{1}{3}\times 3a-\frac{1}{3}\left(-1\right)b
Uporabite distributivnost, da pomnožite -\frac{1}{3} s/z 3a-b.
\frac{1}{2}a-b-a-\frac{1}{3}\left(-1\right)b
Okrajšaj 3 in 3.
\frac{1}{2}a-b-a+\frac{1}{3}b
Pomnožite -\frac{1}{3} in -1, da dobite \frac{1}{3}.
-\frac{1}{2}a-b+\frac{1}{3}b
Združite \frac{1}{2}a in -a, da dobite -\frac{1}{2}a.
-\frac{1}{2}a-\frac{2}{3}b
Združite -b in \frac{1}{3}b, da dobite -\frac{2}{3}b.
\frac{1}{2}a+\frac{1}{2}\left(-2\right)b-\frac{1}{3}\left(3a-b\right)
Uporabite distributivnost, da pomnožite \frac{1}{2} s/z a-2b.
\frac{1}{2}a+\frac{-2}{2}b-\frac{1}{3}\left(3a-b\right)
Pomnožite \frac{1}{2} in -2, da dobite \frac{-2}{2}.
\frac{1}{2}a-b-\frac{1}{3}\left(3a-b\right)
Delite -2 s/z 2, da dobite -1.
\frac{1}{2}a-b-\frac{1}{3}\times 3a-\frac{1}{3}\left(-1\right)b
Uporabite distributivnost, da pomnožite -\frac{1}{3} s/z 3a-b.
\frac{1}{2}a-b-a-\frac{1}{3}\left(-1\right)b
Okrajšaj 3 in 3.
\frac{1}{2}a-b-a+\frac{1}{3}b
Pomnožite -\frac{1}{3} in -1, da dobite \frac{1}{3}.
-\frac{1}{2}a-b+\frac{1}{3}b
Združite \frac{1}{2}a in -a, da dobite -\frac{1}{2}a.
-\frac{1}{2}a-\frac{2}{3}b
Združite -b in \frac{1}{3}b, da dobite -\frac{2}{3}b.