Versionen från 21 juni 2007 kl. 14.12 (redigera) KTH.SE:u1xsetv1 (Diskussion | bidrag) ← Gå till föregående ändring |
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Rad 453: |
Rad 453: |
| <div class="svar"> | | <div class="svar"> |
| <table align="center" width="100%"><tr><td class="ntext" align="center">$\displaystyle \frac{152}{35}$</td></tr></table> | | <table align="center" width="100%"><tr><td class="ntext" align="center">$\displaystyle \frac{152}{35}$</td></tr></table> |
| + | </div> |
| + | |
| + | |
| + | ==Övning 1.3:1== |
| + | |
| + | <div class="ovning"> |
| + | Beräkna |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="25%">$2^3\cdot3^2$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="25%">$3^5\cdot9^{-2}$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="25%">$(-5)^3$</td> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="25%">$\Bigl(\displaystyle \frac{2}{3}\Bigr)^{-3}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Facit </div> |
| + | <div class=NavContent> |
| + | Facit till alla delfrågor |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="25%">$72$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="25%">$3$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="25%">$-125$</td> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="25%">$\displaystyle \frac{27}{8}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning a) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga a) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_1a.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning b) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga b) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_1b.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning c) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga c) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_1c.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning d) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga d) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_1d.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | ==Övning 1.3:2== |
| + | |
| + | <div class="ovning"> |
| + | Skriv som en potens av 2 |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$2\cdot4\cdot8$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$0{,}25$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$1$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Facit </div> |
| + | <div class=NavContent> |
| + | Facit till alla delfrågor<br \> |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$2^6$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$2^{-2}$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$2^0$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning a) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga a) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_2a.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning b) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga b) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_2b.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning c) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga c) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_2c.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | ==Övning 1.3:3== |
| + | |
| + | <div class="ovning"> |
| + | Skriv som en potens av 3 |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="20%">$\displaystyle \frac{1}{3}$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="20%">$243$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="20%">$9^2$</td> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="20%">$\displaystyle \frac{1}{27}$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="20%">$\displaystyle \frac{3}{9^2}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Facit </div> |
| + | <div class=NavContent> |
| + | Facit till alla delfrågor<br \> |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="20%">$3^{-1}$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="20%">$3^5$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="20%">$3^4$</td> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="20%">$3^{-3}$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="20%">$3^{-3}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning a) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga a) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_3a.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning b) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga b) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_3b.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning c) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga c) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_3c.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning d) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga d) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_3d.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning e) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga e) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_3e.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | ==Övning 1.3:4== |
| + | |
| + | <div class="ovning"> |
| + | Beräkna |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$2^{9}\cdot2^{-7}$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$3^{13}\cdot9^{-3}\cdot27^{\,-2}$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$\displaystyle \frac{5^{12}}{5^{-4}}\cdot(5^{2})^{-6}$</td> |
| + | </tr> |
| + | <tr align="left"> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="33%">$2^{2^{\scriptstyle3}}\cdot(-2)^{\scriptstyle-4}$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="33%">$625\cdot(5^{8}+5^{9})^{-1}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Facit </div> |
| + | <div class=NavContent> |
| + | Facit till alla delfrågor |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$4$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$3$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$625$</td> |
| + | </tr> |
| + | <tr align="left"> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="33%">$16$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="33%">$\displaystyle \frac{1}{3750}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning a) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga a) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_4a.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning b) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga b) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_4b.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning c) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga c) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_4c.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning d) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga d) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_4d.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning e) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga e) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_4e.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | ==Övning 1.3:5== |
| + | |
| + | <div class="ovning"> |
| + | Beräkna |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$4^{1/2}$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$4^{-1/2}$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$9^{3/2}$</td> |
| + | </tr> |
| + | <tr align="left"> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="33%">$\left(47^{2/3} \right) ^{3}$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="33%">$3^{1{,}4}\cdot3^{0{,}6}$</td> |
| + | <td class="ntext">f)</td> |
| + | <td class="ntext" width="33%">$\bigl( 125 ^{1/3} \bigr)^2\cdot \bigl( 27^{1/3} \bigr)^{-2}\cdot9^{1/2}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | |
| + | <div class="svar"> |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$2$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$\displaystyle \frac{1}{2}$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$27$</td> |
| + | </tr> |
| + | <tr align="left"> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="33%">$2209$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="33%">$9$</td> |
| + | <td class="ntext">f)</td> |
| + | <td class="ntext" width="33%">$\displaystyle \frac{25}{3}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | |
| + | |
| + | ==Övning 1.3:6== |
| + | <div class="ovning"> |
| + | Avgör vilket tal som är störst av |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$256^{1/3}\ $ och $\ 200^{1/3}$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$0{,}5^{-3}\ $ och $\ 0{,}4^{-3}$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$0{,}2^5\ $ och $\ 0{,}2^{7}$</td> |
| + | </tr> |
| + | <tr align="left"> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="33%">$400^{1/3}\ $ och $\ \bigl(5^{1/3}\bigr)^{4}$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="33%">$125^{1/2}\ $ och $\ 625^{1/3}$</td> |
| + | <td class="ntext">f)</td> |
| + | <td class="ntext" width="33%">$2^{56}\ $ och $\ 3^{40}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Facit </div> |
| + | <div class=NavContent> |
| + | Facit till alla delfrågor<br \> |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr align="left"> |
| + | <td class="ntext">a)</td> |
| + | <td class="ntext" width="33%">$256^{1/3}>200^{1/3}$</td> |
| + | <td class="ntext">b)</td> |
| + | <td class="ntext" width="33%">$0{,}4^{-3}>0{,}5^{-3}$</td> |
| + | <td class="ntext">c)</td> |
| + | <td class="ntext" width="33%">$0{,}2^{5}>0{,}2^{7}$</td> |
| + | </tr> |
| + | <tr align="left"> |
| + | <td class="ntext">d)</td> |
| + | <td class="ntext" width="33%">$\bigl(5^{1/3}\bigr)^{4}>400^{1/3}$</td> |
| + | <td class="ntext">e)</td> |
| + | <td class="ntext" width="33%">$125^{1/2}>625^{1/3}$</td> |
| + | <td class="ntext">f)</td> |
| + | <td class="ntext" width="33%">$3^{40}>2^{56}$</td> |
| + | </tr> |
| + | <tr><td height="5px"/></tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning a) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga a) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_6a.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning b) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga b) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_6b.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning c) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga c) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_6c.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning d) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga d) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_6d.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning e) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga e) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_6e.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| + | </div> |
| + | |
| + | <div class=NavFrame style="CLEAR: both"> |
| + | <div class=NavHead>Lösning f) </div> |
| + | <div class=NavContent> |
| + | Lösning till delfråga f) |
| + | <table width="100%" cellspacing="10px"> |
| + | <tr> |
| + | <td align="center"> |
| + | [[Bild:1_3_6f.gif]] |
| + | </td> |
| + | </tr> |
| + | </table> |
| + | </div> |
| </div> | | </div> |