如题所述
æ25åä¹åä¸ä¸åä¹ä¸ä¹åä¹åäºååä¹ä¹ååäºåä¹ä¸éå
13/25=3276/6300,,
3/7=2700/6300,
4/9=2800/6300,
9/20=2835/6300,
7/12=3675/6300.
13/25=3276/6300,,
3/7=2700/6300,
4/9=2800/6300,
9/20=2835/6300,
7/12=3675/6300.
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