如题所述
两人ç¸åèè¡,æ©æ¯å°æ¶16åç±³,ä¹æ¯å°æ¶12åç±³,ç¸éå两人离ä¸ç¹4åç±³,é®å
¨ç¨å¤å°åç±³ï¼
4÷ã1/2-12/ï¼16+12ï¼ã
=4÷ã1/2-3/7ã
=4÷1/14
=56åç±³
4÷ã1/2-12/ï¼16+12ï¼ã
=4÷ã1/2-3/7ã
=4÷1/14
=56åç±³
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