1.2 Övningar
Sommarmatte 1
(Skillnad mellan versioner)
Versionen från 27 april 2007 kl. 17.38 (redigera) Annagf (Diskussion | bidrag) (→Övning 1.2:2) ← Gå till föregående ändring |
Versionen från 27 april 2007 kl. 17.39 (redigera) (ogör) Annagf (Diskussion | bidrag) (→Övning 1.2:2) Gå till nästa ändring → |
||
Rad 96: | Rad 96: | ||
<td class="ntext">$\textrm{b) }$</td> | <td class="ntext">$\textrm{b) }$</td> | ||
<td class="ntext">$\displaystyle \frac{1}{4}-\frac{1}{8}$</td> | <td class="ntext">$\displaystyle \frac{1}{4}-\frac{1}{8}$</td> | ||
- | <td class="ntext">$\textrm{c) }$</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">$\textrm{c) }$</td> | ||
+ | <td class="ntext">$\displaystyle \frac{1}{12}-\frac{2}{14}$</td> | ||
<td class="ntext">$\textrm{d) }$</td> | <td class="ntext">$\textrm{d) }$</td> | ||
<td class="ntext">$\displaystyle \frac{2}{45}+\frac{1}{75}$</td> | <td class="ntext">$\displaystyle \frac{2}{45}+\frac{1}{75}$</td> | ||
Rad 121: | Rad 121: | ||
<td class="ntext">$\textrm{b) }$</td> | <td class="ntext">$\textrm{b) }$</td> | ||
<td class="ntext">$\displaystyle \frac{3}{35}$</td> | <td class="ntext">$\displaystyle \frac{3}{35}$</td> | ||
- | <td class="ntext">$\textrm{c) }$</td> | ||
- | <td class="ntext">$\displaystyle -\frac{7}{30}$</td> | ||
</tr> | </tr> | ||
<tr><td height="5px"/></tr> | <tr><td height="5px"/></tr> | ||
<tr align="left"> | <tr align="left"> | ||
+ | <td class="ntext">$\textrm{c) }$</td> | ||
+ | <td class="ntext">$\displaystyle -\frac{7}{30}$</td> | ||
<td class="ntext">$\textrm{d) }$</td> | <td class="ntext">$\textrm{d) }$</td> | ||
<td class="ntext">$\displaystyle \frac{47}{60}$</td> | <td class="ntext">$\displaystyle \frac{47}{60}$</td> |
Versionen från 27 april 2007 kl. 17.39
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
$\textrm{a) }$ | $\displaystyle \frac{1}{6}+\frac{1}{10}$ | $\textrm{b) }$ | $\displaystyle \frac{1}{4}-\frac{1}{8}$ | ||
$\textrm{c) }$ | $\displaystyle \frac{1}{12}-\frac{2}{14}$ | $\textrm{d) }$ | $\displaystyle \frac{2}{45}+\frac{1}{75}$ | ||
Facit
Facit till alla delfrågorna
$\textrm{a) }$ | $\displaystyle \frac{93}{28}$ | $\textrm{b) }$ | $\displaystyle \frac{3}{35}$ | ||
$\textrm{c) }$ | $\displaystyle -\frac{7}{30}$ | $\textrm{d) }$ | $\displaystyle \frac{47}{60}$ | ||