21¡¢Èçͼ1ÊdzÇÇøijÖÐѧ¸©ÊÓͼµÄÒ»²¿·Ö£¬Ò»Î»Ñ§ÉúÆï×ÔÐгµÑØ×ÅA---B---C---D---E---F---G---HÔÈËÙÐÐÊ»£¬ÒÑÖªAB³¤Îª80Ã×£¬BC³¤Îª15Ã×£¬CD³¤Îª10Ã×£¬DE³¤Îª30Ã×£¬EF³¤Îª40Ã×£¬ËûÓë²Ù³¡µÄ¾àÀëºÍÆï³µµÄʱ¼ätµÄ¹ØϵÈçͼ2Ëùʾ£¬¸ù¾ÝÐÅÏ¢£¬ÄãÄܽâ¾öÒÔÏÂÎÊÌâÂð£¿
£¨1£©Í¼2ÖеÄS1£¬S2£¬t1£¬t2£¬t3£¬t4·Ö±ðΪ¶àÉÙ£¿
£¨2£©½«Í¼Ðβ¹³äÍêÕû£¬»­³öÊ£ÏÂÁ½¿éµÄͼÏó£®
£¨3£©µ±Ëû¾àÀëѧУ´ó²Ù³¡20Ã×ʱ£¬ËûÐÐ×ßÁ˶೤ʱ¼ä£¿
·ÖÎö£º£¨1£©´ÓͼÉÏ¿É¿´³ös2=DHµÄ³¤£¬s1=GHµÄ³¤£¬t1×ßµ½CµãËùÓõľàÀ룬t2ÊÇ´ÓA×ßµ½DËùÓõÄʱ¼ä£¬t3´ÓAµ½EËùÓõÄʱ¼ä£¬t4ÊÇ´ÓAµ½FµÄʱ¼ä£®
£¨2£©°ÑÊý¾Ý±êÉÏ£¬»­³öͼ£®
£¨3£©¹Ø¼üÖªµÀÓиÕÀ뿪ʱÓÐ20Ã×£®Ò»¸öÊÇ»ØȥʱÀëAµØ20Ã×£®
½â´ð£º½â£º£¨1£©ÓÉÌâÒâµÄV=80¡Â16=5£¨Ã×/Ã룩£¬£¨1·Ö£©
S1=DH=70£¬
S2=GH=30£¬
t1=16+15¡Â5=19£¬
t2=19+10¡Â5=21£¬
t3=21+30¡Â5=27£¬
t4=27+40¡Â5=35£»

£¨2£©Ãèµã£¨41£¬30£©£¬£¨47£¬0£©£¬


£¨3£©´ËʱËûËù×ߵķ³ÌΪ20Ã×»òÕß215Ã×£¬
ËùÒÔtΪ4Ãë»ò43Ã룮
µãÆÀ£º±¾Ì⿼²éÒ»´Îº¯ÊýºÍʵ¼ÊÎÊÌâµÄÁªÏµÒÔ¼°»­º¯ÊýͼÏ󣬺ʹÓͼÏóÉϽâ¾öÎÊÌâµÄÄÜÁ¦£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

Èçͼ1ÊdzÇÇøijÖÐѧ¸©ÊÓͼµÄÒ»²¿·Ö£¬Ò»Î»Ñ§ÉúÆï×ÔÐгµÑØ×ÅA---B---C---D---E---F---G---HÔÈËÙÐÐÊ»£¬ÒÑÖªAB³¤Îª80Ã×£¬BC³¤Îª15Ã×£¬CD³¤Îª10Ã×£¬DE³¤Îª30Ã×£¬EF³¤Îª40Ã×£¬ËûÓë²Ù³¡µÄ¾àÀëºÍÆï³µµÄʱ¼ätµÄ¹ØϵÈçͼ2Ëùʾ£¬¸ù¾ÝÐÅÏ¢£¬ÄãÄܽâ¾öÒÔÏÂÎÊÌâÂð£¿
£¨1£©Í¼2ÖеÄS1£¬S2£¬t1£¬t2£¬t3£¬t4·Ö±ðΪ¶àÉÙ£¿
£¨2£©½«Í¼Ðβ¹³äÍêÕû£¬»­³öÊ£ÏÂÁ½¿éµÄͼÏó£®
£¨3£©µ±Ëû¾àÀëѧУ´ó²Ù³¡20Ã×ʱ£¬ËûÐÐ×ßÁ˶೤ʱ¼ä£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2012Äê¹ã¶«Ê¡Öп¼ÊýѧģÄâÊÔ¾í£¨Ê®Ò»£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ1ÊdzÇÇøijÖÐѧ¸©ÊÓͼµÄÒ»²¿·Ö£¬Ò»Î»Ñ§ÉúÆï×ÔÐгµÑØ×ÅA---B---C---D---E---F---G---HÔÈËÙÐÐÊ»£¬ÒÑÖªAB³¤Îª80Ã×£¬BC³¤Îª15Ã×£¬CD³¤Îª10Ã×£¬DE³¤Îª30Ã×£¬EF³¤Îª40Ã×£¬ËûÓë²Ù³¡µÄ¾àÀëºÍÆï³µµÄʱ¼ätµÄ¹ØϵÈçͼ2Ëùʾ£¬¸ù¾ÝÐÅÏ¢£¬ÄãÄܽâ¾öÒÔÏÂÎÊÌâÂð£¿
£¨1£©Í¼2ÖеÄS1£¬S2£¬t1£¬t2£¬t3£¬t4·Ö±ðΪ¶àÉÙ£¿
£¨2£©½«Í¼Ðβ¹³äÍêÕû£¬»­³öÊ£ÏÂÁ½¿éµÄͼÏó£®
£¨3£©µ±Ëû¾àÀëѧУ´ó²Ù³¡20Ã×ʱ£¬ËûÐÐ×ßÁ˶೤ʱ¼ä£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2011Äê¹ã¶«Ê¡Ã¯ÃûÊл¯ÖÝÊÐÖп¼ÊýѧһģÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ1ÊdzÇÇøijÖÐѧ¸©ÊÓͼµÄÒ»²¿·Ö£¬Ò»Î»Ñ§ÉúÆï×ÔÐгµÑØ×ÅA---B---C---D---E---F---G---HÔÈËÙÐÐÊ»£¬ÒÑÖªAB³¤Îª80Ã×£¬BC³¤Îª15Ã×£¬CD³¤Îª10Ã×£¬DE³¤Îª30Ã×£¬EF³¤Îª40Ã×£¬ËûÓë²Ù³¡µÄ¾àÀëºÍÆï³µµÄʱ¼ätµÄ¹ØϵÈçͼ2Ëùʾ£¬¸ù¾ÝÐÅÏ¢£¬ÄãÄܽâ¾öÒÔÏÂÎÊÌâÂð£¿
£¨1£©Í¼2ÖеÄS1£¬S2£¬t1£¬t2£¬t3£¬t4·Ö±ðΪ¶àÉÙ£¿
£¨2£©½«Í¼Ðβ¹³äÍêÕû£¬»­³öÊ£ÏÂÁ½¿éµÄͼÏó£®
£¨3£©µ±Ëû¾àÀëѧУ´ó²Ù³¡20Ã×ʱ£¬ËûÐÐ×ßÁ˶೤ʱ¼ä£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2011ÄêÕã½­Ê¡º¼ÖÝÊÐÖп¼ÊýѧģÄâÊÔ¾í£¨34£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ1ÊdzÇÇøijÖÐѧ¸©ÊÓͼµÄÒ»²¿·Ö£¬Ò»Î»Ñ§ÉúÆï×ÔÐгµÑØ×ÅA---B---C---D---E---F---G---HÔÈËÙÐÐÊ»£¬ÒÑÖªAB³¤Îª80Ã×£¬BC³¤Îª15Ã×£¬CD³¤Îª10Ã×£¬DE³¤Îª30Ã×£¬EF³¤Îª40Ã×£¬ËûÓë²Ù³¡µÄ¾àÀëºÍÆï³µµÄʱ¼ätµÄ¹ØϵÈçͼ2Ëùʾ£¬¸ù¾ÝÐÅÏ¢£¬ÄãÄܽâ¾öÒÔÏÂÎÊÌâÂð£¿
£¨1£©Í¼2ÖеÄS1£¬S2£¬t1£¬t2£¬t3£¬t4·Ö±ðΪ¶àÉÙ£¿
£¨2£©½«Í¼Ðβ¹³äÍêÕû£¬»­³öÊ£ÏÂÁ½¿éµÄͼÏó£®
£¨3£©µ±Ëû¾àÀëѧУ´ó²Ù³¡20Ã×ʱ£¬ËûÐÐ×ßÁ˶೤ʱ¼ä£¿

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸