330期珠算口訣
發(fā)表于：2015/12/3 7:53:00
3d324期珠算口訣：九下一去五進(jìn)二開698
3d325期珠算口訣：六下一去五進(jìn)七開607
3d326期珠算口訣：四下一去五進(jìn)七開818
3d327期珠算口訣：四下一去五進(jìn)七開819
3d328期珠算口訣：四下一去五進(jìn)七開373
3d329期珠算口訣：六下一去二進(jìn)七開451
3d330期珠算口訣：六下一去二進(jìn)九
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