234期珠算口訣
發表于:2014/8/30 8:55:00
3d227期珠算口訣:四下六去五進八
3d228期珠算口訣:七下九去五進八
3d229期珠算口訣:五下三去零進八
3d230期珠算口訣:零下七去二進八
3d231期珠算口訣:零下五去二進八
3d232期珠算口訣:零下五去三進九
3d233期珠算口訣:四下五去三進二
3d234期珠算口訣:一下九去六進二
發表于:2014/8/30 8:55:00
3d227期珠算口訣:四下六去五進八
3d228期珠算口訣:七下九去五進八
3d229期珠算口訣:五下三去零進八
3d230期珠算口訣:零下七去二進八
3d231期珠算口訣:零下五去二進八
3d232期珠算口訣:零下五去三進九
3d233期珠算口訣:四下五去三進二
3d234期珠算口訣:一下九去六進二