ÌâÄ¿ÄÚÈÝ
Ϊ´òÔ츧ºÓºÓ°¶·ç¹â´ø£¬ÏÖÓÐÒ»¶Î³¤Îª180Ã׵ĺӰ¶ÕûÖÎÈÎÎñÓÉA¡¢BÁ½¹¤³Ì¶ÓÏȺó½ÓÁ¦Íê³É£¬A¹¤³Ì¶ÓÿÌìÕûÖÎ12Ã×£¬B¹¤³Ì¶ÓÿÌìÕûÖÎ8Ã×£¬¹²ÓÃʱ20Ìì.
£¨1£©¸ù¾ÝÌâÒ⣬¼×¡¢ÒÒÁ½Ãûͬѧ·Ö±ðÁгöÉв»ÍêÕûµÄ·½³Ì×éÈçÏ£º
ÒÀ¾Ý¼×¡¢ÒÒÁ½ÃûͬѧËùÁеķ½³Ì×飬ÇëÄã·Ö±ðÖ¸³öδ֪Êýx £¬y±íʾµÄº¬ÒåÈ»ºóÔÚ¿òÖв¹È«¼×¡¢ÒÒÁ½ÃûͬѧËùÁеķ½³Ì×é.
¼×£ºx±íʾ___________________£¬y±íʾ___________________.
ÒÒ£ºx±íʾ___________________£¬y±íʾ___________________.
£¨2£©A¹¤³Ì¶ÓÖÎÀíºÓ°¶_________Ã×.
B¹¤³Ì¶ÓÖÎÀíºÓ°¶___
______Ã×.£¨Ò»¿Õ1·Ö£¬¹²10·Ö£©
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿