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*245  $aElever finner matematikk
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*650  $abarneskoler$9nor$2norart$_129651600
*650  $agrunnskoler$2norart$_46001800
*650  $aundervisning$2norart$_10435100
*773  $tTangenten$gÅrg. 29, nr. 1 (2018)$x0802-8192$w(NO-LaBS)552650(tnr)
*999  $z1800629949$anorart:1800629949
^