ÌâÄ¿ÄÚÈÝ
ÔÚƽÃæÖ±½Ç×ø±êϵÖУ¬Ò»¶¯µãP£¨x£¬y£©´ÓM£¨1£¬0£©³ö·¢£¬ÑØÓÉA£¨-1£¬1£©£¬B£¨-1£¬-1£©£¬C£¨1£¬-1£©£¬D£¨1£¬1£©Ëĵã×é³ÉµÄÕý·½ÐαßÏߣ¨Èçͼ¢Ù£©°´Ò»¶¨·½ÏòÔ˶¯£®Í¼¢ÚÊÇPµãÔ˶¯µÄ·³Ìs£¨¸öµ¥Î»£©ÓëÔ˶¯Ê±¼ät£¨Ã룩֮¼äµÄº¯ÊýͼÏó£¬Í¼¢ÛÊÇPµãµÄ×Ý×ø±êyÓëPµãÔ˶¯µÄ·³ÌsÖ®¼äµÄº¯ÊýͼÏóµÄÒ»²¿·Ö£®
£¨1£©sÓëtÖ®¼äµÄº¯Êý¹ØϵʽÊÇ£º______£»
£¨2£©Óëͼ¢ÛÏà¶ÔÓ¦µÄPµãµÄÔ˶¯Â·¾¶ÊÇ£º______£»Pµã³ö·¢______ÃëÊ״ε½´ïµãB£»
£¨3£©Ð´³öµ±3¡Üs¡Ü8ʱ£¬yÓësÖ®¼äµÄº¯Êý¹Øϵʽ£¬²¢ÔÚͼ¢ÛÖв¹È«º¯ÊýͼÏó£®
£¨1£©sÓëtÖ®¼äµÄº¯Êý¹ØϵʽÊÇ£º______£»
£¨2£©Óëͼ¢ÛÏà¶ÔÓ¦µÄPµãµÄÔ˶¯Â·¾¶ÊÇ£º______£»Pµã³ö·¢______ÃëÊ״ε½´ïµãB£»
£¨3£©Ð´³öµ±3¡Üs¡Ü8ʱ£¬yÓësÖ®¼äµÄº¯Êý¹Øϵʽ£¬²¢ÔÚͼ¢ÛÖв¹È«º¯ÊýͼÏó£®
£¨1£©S=
t£¨t¡Ý0£©
£¨2£©M¡úD¡úA¡úN£»10£»
£¨3£©µ±3¡Üs£¼5£¬¼´P´ÓAµ½Bʱ£¬y=4-s£»
µ±5¡Üs£¼7£¬¼´P´ÓBµ½Cʱ£¬y=-1£»
µ±7¡Üs¡Ü8£¬¼´P´ÓCµ½Mʱ£¬y=s-8£®
²¹È«Í¼ÐΣº
1 |
2 |
£¨2£©M¡úD¡úA¡úN£»10£»
£¨3£©µ±3¡Üs£¼5£¬¼´P´ÓAµ½Bʱ£¬y=4-s£»
µ±5¡Üs£¼7£¬¼´P´ÓBµ½Cʱ£¬y=-1£»
µ±7¡Üs¡Ü8£¬¼´P´ÓCµ½Mʱ£¬y=s-8£®
²¹È«Í¼ÐΣº
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿