珠算减法口诀

  • 珠算减法口诀,珠算口诀表珠算口诀表图

    珠心算口诀珠算口诀表加法口诀一:一上一,一下五去四,一去九进一。二:二上二,二下五去三,二去八进一。三:三上三,三下五去二,三去七进一。四:四上四,四下五去一,四去六进一。五:五上五,五去五进一。珠算口诀表珠算口诀表图1、珠算乘法口诀表如下图:...
    2023 / 11 / 06 10:16:35

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