En Aritmetikk

<p><span class="betydningnr" style="box-sizing: inherit; font-weight: bold; font-family: &quot;Open Sans&quot;, Arial, sans-serif;">1&nbsp;</span></p><div class="betydningsskiller inline-eske" style="box-sizing: inherit; display: inline; text-transform: uppercase; font-size: 0.8rem; color: rgb(165, 66, 66); font-weight: 600; font-family: &quot;Open Sans&quot;, Arial, sans-serif;">MATEMATIKK</div><div class="inline-eske" style="box-sizing: inherit; display: inline; font-family: &quot;Open Sans&quot;, Arial, sans-serif;">&nbsp;læren om tallenes egenskaper og om metoder i tallregning</div><p><span class="betydningnr" style="font-family: &quot;Open Sans&quot;, Arial, sans-serif; box-sizing: inherit; font-weight: bold;">1.1&nbsp;</span></p><div class="inline-eske" style="font-family: &quot;Open Sans&quot;, Arial, sans-serif; box-sizing: inherit; display: inline;">læren om de grunnleggende regneregler (brøkregning, rotutdragning, potens- og logaritmeregning)</div><div><font face="Open Sans, Arial, sans-serif">
</font><p><span class="betydningnr" style="box-sizing: inherit; font-weight: bold; font-family: &quot;Open Sans&quot;, Arial, sans-serif;">2&nbsp;</span><a id="57907529" style="box-sizing: inherit; background-color: transparent; color: rgb(32, 57, 157); font-family: &quot;Open Sans&quot;, Arial, sans-serif;"></a></p><div class="inline-eske" style="box-sizing: inherit; display: inline; font-family: &quot;Open Sans&quot;, Arial, sans-serif;">rentelære, forsikringsmatematikk o.l. (politisk aritmetikk)</div><div class="inline-eske" style="font-family: &quot;Open Sans&quot;, Arial, sans-serif; box-sizing: inherit; display: inline;">&nbsp;</div></div>