1.2 Övningar
Sommarmatte 1
(Skillnad mellan versioner)
Versionen från 27 april 2007 kl. 17.32 (redigera) Annagf (Diskussion | bidrag) (→Övning 1.2:2) ← Gå till föregående ändring |
Versionen från 27 april 2007 kl. 17.34 (redigera) (ogör) Annagf (Diskussion | bidrag) (→Övning 1.2:2) Gå till nästa ändring → |
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Rad 95: | Rad 95: | ||
<td class="ntext"> $\displaystyle \frac{1}{6}+\frac{1}{10}$</td> | <td class="ntext"> $\displaystyle \frac{1}{6}+\frac{1}{10}$</td> | ||
<td class="ntext">$\textrm{b) }$</td> | <td class="ntext">$\textrm{b) }$</td> | ||
- | <td class="ntext">$\displaystyle \frac{2}{7}-\frac{1}{5}$</td> | + | <td class="ntext">$\displaystyle \frac{1}{4}-\frac{1}{8}$</td> |
<td class="ntext">$\textrm{c) }$</td> | <td class="ntext">$\textrm{c) }$</td> | ||
- | <td class="ntext">$\displaystyle \frac{1}{6}-\frac{2}{5}$</td> | + | <td class="ntext">$\displaystyle \frac{1}{12}-\frac{2}{14}$</td> |
</tr> | </tr> | ||
<tr><td height="5px"/></tr> | <tr><td height="5px"/></tr> | ||
<tr align="left"> | <tr align="left"> | ||
<td class="ntext">$\textrm{d) }$</td> | <td class="ntext">$\textrm{d) }$</td> | ||
- | <td class="ntext">$\displaystyle \frac{1}{3}+\frac{1}{4}+\frac{1}{5}$</td> | + | <td class="ntext">$\displaystyle \frac{2}{45}+\frac{1}{75}+\frac{1}{5}$</td> |
- | <td class="ntext">$\textrm{e) }$</td> | + | > |
- | <td class="ntext">$\displaystyle \frac{8}{7}+\frac{3}{4}-\frac{4}{3}$</td> | + | |
<td class="ntext"></td> | <td class="ntext"></td> | ||
<td class="ntext"></td> | <td class="ntext"></td> |
Versionen från 27 april 2007 kl. 17.34
Övning 1.2:1
Skriv på gemensamt bråkstreck
$\textrm{a) }$ | $\displaystyle \frac{7}{4}+\frac{11}{7}$ | $\textrm{b) }$ | $\displaystyle \frac{2}{7}-\frac{1}{5}$ | $\textrm{c) }$ | $\displaystyle \frac{1}{6}-\frac{2}{5}$ |
$\textrm{d) }$ | $\displaystyle \frac{1}{3}+\frac{1}{4}+\frac{1}{5}$ | $\textrm{e) }$ | $\displaystyle \frac{8}{7}+\frac{3}{4}-\frac{4}{3}$ | ||
Facit
Facit till alla delfrågorna
$\textrm{a) }$ | $\displaystyle \frac{93}{28}$ | $\textrm{b) }$ | $\displaystyle \frac{3}{35}$ | $\textrm{c) }$ | $\displaystyle -\frac{7}{30}$ |
$\textrm{d) }$ | $\displaystyle \frac{47}{60}$ | $\textrm{e) }$ | $\displaystyle \frac{47}{84}$ | ||
Övning 1.2:2
Bestäm minsta gemensamma nämnare
$\textrm{a) }$ | $\displaystyle \frac{1}{6}+\frac{1}{10}$ | $\textrm{b) }$ | $\displaystyle \frac{1}{4}-\frac{1}{8}$ | $\textrm{c) }$ | $\displaystyle \frac{1}{12}-\frac{2}{14}$ |
$\textrm{d) }$ | $\displaystyle \frac{2}{45}+\frac{1}{75}+\frac{1}{5}$ | ||||
Facit
Facit till alla delfrågorna