井邊有容量5公升跟3公升的兩個水桶,734Please respect copyright.PENANAlB2ozvgOPn
該如何利用這兩個水桶,裝出剛好4公升的水呢?734Please respect copyright.PENANAnQCffDsVzr
734Please respect copyright.PENANA11RCsFsvoT
井邊有容量5公升跟3公升的兩個水桶,734Please respect copyright.PENANAlB2ozvgOPn
8964 copyright protection730PENANAl7hyUEQ3W7 維尼
該如何利用這兩個水桶,裝出剛好4公升的水呢?734Please respect copyright.PENANAnQCffDsVzr
8964 copyright protection730PENANAFQlHVowzQQ 維尼
734Please respect copyright.PENANA11RCsFsvoT
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ns216.73.216.206da2在主頁加入 Penana 以更方便離線閱讀:按 然後按「加至主畫面」