1.1 Övningar

Beräkna (utan hjälp av räknedosa) \textrm{a) } 3-7-4+6-5 \textrm{b) } 3-(7-4)+(6-5) \textrm{c) } 3-(7-(4+6)-5)

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          <td class="ntext">$\textrm{d) }$</td>
          <td class="ntext">$3-(7-(4+6))-5$</td>
          <td class="ntext">$\textrm{e) }$</td>
          <td class="ntext">$(3-(7-4))(6-5)$</td>
          <td class="ntext">$\textrm{f) }$</td>
          <td class="ntext">$3-(((7-4)+6)-5)$</td>
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          <td class="ntext">$\textrm{g) }$</td>
          <td class="ntext">$3\cdot(-7)-4\cdot(6-5)$</td>
          <td class="ntext">$\textrm{h) }$

3\cdot(-7)-(4+6)/(-5)