Grunnskoleeksamen 02 spm
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Jeg fikk det samme som tosken.
[tex] \frac{a}{6}-\frac{2+3a}{4}+2a+\frac{2}{3}*\frac{a-3}{4}+\frac{5a}{12}=\\ \frac{2a}{12}-\frac{6+9a}{12}+\frac{24a}{12}+\frac{2a-6}{12}+\frac{5a}{12}=\\ \frac{2a-6-9a+24a+2a-6+5a}{12}=\\ \frac{24a-12}{12}=2a-1[/tex]
[tex] \frac{a}{6}-\frac{2+3a}{4}+2a+\frac{2}{3}*\frac{a-3}{4}+\frac{5a}{12}=\\ \frac{2a}{12}-\frac{6+9a}{12}+\frac{24a}{12}+\frac{2a-6}{12}+\frac{5a}{12}=\\ \frac{2a-6-9a+24a+2a-6+5a}{12}=\\ \frac{24a-12}{12}=2a-1[/tex]