井邊有容量5公升跟3公升的兩個水桶,721Please respect copyright.PENANAKJbeA0Qmr2
該如何利用這兩個水桶,裝出剛好4公升的水呢?721Please respect copyright.PENANALiTaqEoUXE
721Please respect copyright.PENANANE1ijKwTsE
井邊有容量5公升跟3公升的兩個水桶,721Please respect copyright.PENANAKJbeA0Qmr2
8964 copyright protection717PENANAizPp5PX25s 維尼
該如何利用這兩個水桶,裝出剛好4公升的水呢?721Please respect copyright.PENANALiTaqEoUXE
8964 copyright protection717PENANA8cS2KNbtwW 維尼
721Please respect copyright.PENANANE1ijKwTsE
8964 copyright protection717PENANAejoO6IxSEb 維尼
216.73.216.237
ns216.73.216.237da2在主頁加入 Penana 以更方便離線閱讀:按 然後按「加至主畫面」