ä¸ä¸ªæ£±é¿æ¯5åç±³çæ£æ¹ä½é±¼ç¼¸ï¼éé¢è£
满水ï¼ææ°´åå
¥ä¸ä¸ªåºé¢ç§¯æ¯50å¹³æ¹åç±³çé¿æ¹ä½é±¼ç¼¸éãè¦ä½¿ä¸¤ä¸ªé±¼ç¼¸éçæ°´é¢ä¸æ ·é«ï¼åºåå
¥å¤å°åæ°´ï¼
5Ã5Ã5÷ï¼5Ã5+50ï¼Ã50
=125÷75Ã50
=5/3Ã50
=250/3å
è¿æ¶æ°´æ·±å¤å°ï¼
5Ã5Ã5÷ï¼5Ã5+50ï¼
=125÷75
=5/3åç±³
å¦æå
¨é¨åå
¥é¿æ¹ä½é±¼ç¼¸ï¼é¿æ¹ä½é±¼ç¼¸éçæ°´æå¤æ·±ï¼
5Ã5Ã5÷50
=125÷50
=2.5åç±³
追é®å两é®è½ä¸è½ç¨ç®å¼åçï¼ä¸ç¨åæ°
追çä¸é¢å°±æ¯ç®å¼ï¼ä½æ¯ç»æå¿
é¡»æ¯åæ°