ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Èçͼ¼×Ëùʾ£¬ÔÚ¡°Ñо¿Ó°Ï컬¶¯Ä¦²ÁÁ¦´óСµÄÒòËØ¡±µÄʵÑéÖУ¬
£¨1£©Óõ¯»É²âÁ¦¼ÆˮƽÀ¶¯Ä¾¿é£¬Ê¹ËüÑØˮƽ³¤Ä¾°å×ö__________________Ô˶¯£¬²â³öľ¿éÓ볤ľ°åÖ®¼äµÄ»¬¶¯Ä¦²ÁÁ¦¡£
½Ó´¥Ãæ´Ö²Ú³Ì¶È | ѹÁ¦/N | »¬¶¯Ä¦²ÁÁ¦/N |
ƽ»¬ | 6 | 1.2 |
½Ïƽ»¬ | 6 | 2 |
´Ö²Ú | 6 | 2.5 |
£¨2£©»»ÓòÄÁÏÏàͬµ«±íÃæ´Ö²Ú³Ì¶È²»Í¬µÄ³¤Ä¾°å£¬±£³Öľ¿éÉϵÄíÀÂë²»±ä£¬²â³ö´ËÖÖÇé¿öϵĻ¬¶¯Ä¦²ÁÁ¦¡£·ÖÎö±íÖеÄʵÑéÊý¾Ý£¬µÃ³öµÄ½áÂÛÊÇ£º__________________¡£
£¨3£©±£³Öľ¿éºÍľ°å²»±ä£¬¸Ä±ä·ÅÔÚľ¿éÉϵÄíÀÂ룬´Ó¶ø¸Ä±äľ¿é¶Ô³¤Ä¾°åµÄѹÁ¦£¬²â³ö´ËÖÖÇé¿öϵĻ¬¶¯Ä¦²ÁÁ¦¡£Ä³×éͬѧÍü¼Ç¼Ç¼С³µµÄÖØÁ¦£¬Ö»¼Ç¼Á˹³ÂëµÄÖØÁ¦ºÍ¶ÔÓ¦µÄ»¬¶¯Ä¦²ÁÁ¦£¬µÃ³öÈçͼÒÒËùʾµÄͼÏñ£¬ÇëÄã°ïËûÃǼÆËã³öС³µµÄÖØÁ¦Îª________ N¡£
¡¾´ð°¸¡¿ÔÈËÙÖ±Ïß Ñ¹Á¦Ïàͬʱ½Ó´¥ÃæÔ½´Ö²Ú£¬»¬¶¯Ä¦²ÁÁ¦Ô½´ó 2N
¡¾½âÎö¡¿
µÚÒ»¿Õ£®µ±Ä¾¿é×öÔÈËÙÖ±ÏßÔ˶¯Ê±£¬ÊÜÁ¦Æ½ºâ£¬Ä¦²ÁÁ¦´óСµÈÓÚµ¯»É²âÁ¦¼ÆÀÁ¦´óС£»
µÚ¶þ¿Õ£®Óɱí¸ñÊý¾Ý¿É֪ѹÁ¦Ïàͬʱ½Ó´¥ÃæÔ½´Ö²Ú£¬»¬¶¯Ä¦²ÁÁ¦Ô½´ó£»
µÚÈý¿Õ£®ÓÉͼÏñ¿ÉÖª»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓëѹÁ¦³ÉÕý±ÈÀýº¯Êý¹Øϵ£¬µ±¹³ÂëÖØÁ¦Îª2Nʱ£¬Ïà½ÏÓÚ²»·Å¹³Â룬Ħ²ÁÁ¦Ôö¼ÓÁË:
1.2N-0.6N=0.6N
¼´Ã¿Ôö¼Ó1NµÄѹÁ¦£¬Ôö¼Ó0.3NµÄ»¬¶¯Ä¦²ÁÁ¦£¬Òò´ËÓÉͼ¿ÉÖª£¬Ö»·ÅС³µÊ±»¬¶¯Ä¦²ÁÁ¦Îª0.6N,Òò´ËС³µµÄÖØÁ¦Îª2N¡£
¡¾ÌâÄ¿¡¿Ð¡¶«ÔÚ̽¾¿Ó°Ï컬ÂÖ×é»úеЧÂʸߵ͵ÄÒòËØʱ£¬Éè¼ÆÁËÈçͼËùʾµÄÁ½¸ö»¬ÂÖ×飬·Ö±ð²âÁ¿Á½´ÎʵÑéµÄ¶¯»¬ÂÖÖØ¡¢¹³Âë×ÜÖØ¡¢¹³ÂëÉÏÉý¸ß¶È¡¢Éþ×Ó×ÔÓɶËÀÁ¦¡¢Éþ×Ó×ÔÓɶËÒƶ¯¾àÀ룬¼ÆËã³öÏàÓ¦µÄ»úеЧÂÊ£¬²¢½«ËüÃÇÌîÈëϱíÖС£
ÐòºÅ | s/m | |||||
1 | 1.0 | 2.0 | 0.1 | 1.0 | 0.3 | 66.7% |
2 | 1.0 | 4.0 | 0.1 | 1.8 | 0.3 | 74.1% |
£¨1£©ÊµÑéÖУ¬²â»úеЧÂʵÄÔÀíÊÇ___________ ¡£
£¨2£©ÊµÑéÖУ¬ÐòºÅ1´ú±íͼÖÐ___________»¬ÂÖ×é¡££¨Ñ¡Ìî¡°¼×¡±¡¢¡°ÒÒ¡±£©
£¨3£©ÔÚͼÒÒµÄʵÑéÖУ¬»¬ÂÖ×éÌáÉýÎïÌåËù×öµÄÓÐÓù¦Îª___________J¡£