ÌâÄ¿ÄÚÈÝ
ÏÂͼÖУ¬MNλÓÚͬһ¾ÏßÉÏ£¬PNλÓÚ±±°ëÇòͬһγÏßÉÏ£¬ONÁ½²àµÄÖçҹ״̬²»Í¬£¬OMÁ½²àµÄÈÕÆÚ²»Í¬£¬ONÁ½µãµÄ¾¶È²îΪ90¡ã£¬´Ëʱ±±¾©Ê±¼äΪ2:00£¬¾Ý´Ë»Ø´ð1¡«2Ìâ¡£
1.ÈôMNµÄγ¶È²îΪ20¡ã£¬Çó´Ëʱ̫ÑôÖ±ÉäµãµÄ×ø±ê
A£®20¡ãS£¬90¡ãW B£®20¡ãN£¬90¡ãE
C£®20¡ãN£¬180¡ã D£®20¡ãS£¬0¡ã
2£®ÈôMNµÄγ¶È²îΪ15¡ã£¬ÔòͼÖÐPµãµÄÕýÎçÌ«Ñô¸ß¶ÈΪ
A£®15¡ã B£®30¡ã C£®60¡ã D£®0¡ã
1.A
2.D
¡¾½âÎö¡¿ÂÔ
![](http://thumb.zyjl.cn/images/loading.gif)
|