000			00324nam a2200133Ia 4500
005			20260720174718.0
008			260720s2026 xx 000 0 und d
041			_aeng
082			_a513 MORM
100			_aMorton Robert _9270644
245			_aModern arithmetic through discovery-5
260			_aNew Jersey
300			_a344p
999			_c244846 _d244846