ijÂÃÓξ°µãµÄÃÅƱ¼Û¸ñ¹æ¶¨ÈçϱíËùʾ£¬Ä³Ð£ÆßÄ꼶£¨1£©¡¢£¨2£©Á½¸ö°à¹²104ÈËÈ¥ÂÃÓΣ¬ÆäÖУ¨1£©°àÈËÊý½ÏÉÙ£¬²»µ½50ÈË£¬£¨2£©°àÈËÊý½Ï¶à£¬ÓÐ50¶àÈË£¬¾­¹ÀË㣬Èç¹ûÁ½¸ö°à¶¼ÒÔ°àΪµ¥Î»·Ö±ð¹ºÆ±£¬Ò»¹²Ó¦¸¶1240Ôª£»
£¨1£©ÎÊÁ½°à¸÷ÓÐѧÉú¶àÉÙÃû£¿
£¨2£©Èç¹ûÁ½¸ö°àÁªºÏÆðÀ´£¬×÷Ϊһ¸öÍÅÌ幺Ʊ£¬Èô¿ÉÊ¡304Ôª£¬ÇóaµÄÖµ£®
¹ºÆ±ÈËÊý 1¡«50ÈË 51¡«100ÈË 100ÈËÒÔÉÏ
ÿÈËÃÅƱ¼Û 13Ôª 11Ôª aÔª
·ÖÎö£º£¨1£©¸ù¾Ý×ÜÈËÊýµÄ×ܵÄƱ¼Û¿ÉÒÔÁгö·½³Ì×飬½â·½³Ì×é¼´¿ÉµÃÁ½°àÈËÊý£®
£¨2£©¸ù¾Ý104ÈËaÔªµÄµ¥¼ÛÔÙ¼ÓÉϽÚÊ¡µÄ½ð¶îµÈÓÚ1240Ôª£¬¼´¿ÉÁз½³ÌÇóµÃaµÄÖµ£®
½â´ð£º½â£º£¨1£©É裨1£©°àÓÐxÈË£¬£¨2£©°àÓÐyÈË£¬Ôò
x+y=104
13x+11y=1240

½âÕâ¸ö·½³Ì×éµÃ£º
x=48
y=56

´ð£º£¨1£©°àÓÐ48ÈË£¬£¨2£©°àÓÐ56ÈË£®£¨4·Ö£©

£¨2£©ÓÉÌâÒâµÃ£º104a+304=1240£¬
½âµÃ£ºa=9
´ð£ºaµÄֵΪ9£®
µãÆÀ£º¸ù¾Ýʵ¼ÊÎÊÌâÖеÄÌõ¼þÁз½³Ì×éʱ£¬Òª×¢ÒâץסÌâÄ¿ÖеÄһЩ¹Ø¼üÐÔ´ÊÓÕÒ³öµÈÁ¿¹Øϵ£¬Áгö·½³Ì×飬ת»¯Îª½â¶þÔªÒ»´Î·½³Ì×éµÄÎÊÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

ijÂÃÓξ°µãµÄÃÅƱ¼Û¸ñÊÇ£º³ÉÈËƱ20Ôª/ÈË£¬Ñ§ÉúƱ10Ôª/ÈË£¬Èç¹ûÂú40ÈË¿ÉÒÔÖ±½Ó¹ºÂòÍÅÌåƱ£¨°´Ô­¼Û´ò8ÕÛ£©£¬Ä³ÂÃÓÎÍÅÓÐxÈË£¨x£¾40£©£¬ÆäÖÐѧÉúÈËÊýΪyÈË£®
£¨1£©ÓÃʽ×Ó±íʾ¸ÃÂÃÓÎȦӦ¸¶ÃÅƱ·ÑÓã»
£¨2£©Èç¹û¸ÃÍŹ²ÓÐ52ÈË£¬ÆäÖгÉÈËÓÐ12ÈË£¬ÄÇôӦ¸¶¶àÉÙÃÅƱ·Ñ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2012-2013ѧÄêÕã½­Ê¡½¨µÂÊÐÀî¼ÒÕò³õ¼¶ÖÐѧÆßÄ꼶3ÔÂÔ¿¼ÊýѧÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£º½â´ðÌâ

ijÂÃÓξ°µãµÄÃÅƱ¼Û¸ñ¹æ¶¨ÈçϱíËùʾ£º

ÍÅÌ幺ƱÈËÊý
1¡«50ÈË
51¡«100ÈË
100ÈËÒÔÉÏ
ÿÈËÃÅƱ¼Û£¨ÍÅÌå¼Û£©
13Ôª
11Ôª
aÔª
ѧУÆßÄ꼶£¨1£©£¨2£©Á½¸ö°à¹²104ÈËÈ¥ÂÃÓΣ¬ÆäÖУ¨1£©°àÈËÊý½ÏÉÙ£¬²»µ½50ÈË£¬£¨2£©°àÈËÊý½Ï¶à£¬ÓÐ50¶àÈË£¬¾­¹ÀË㣬Èç¹ûÁ½¸ö°à¶¼ÒÔ°àΪµ¥Î»·Ö±ð¹ºÆ±£¬Ò»¹²Ó¦¸¶¿î1240Ôª£®
£¨1£©ÎÊÁ½°à¸÷ÓÐѧÉú¶àÉÙÃû£¿
£¨2£©Èç¹ûÁ½¸ö°àÁªºÏÆðÀ´£¬×÷Ϊһ¸öÍÅÌ幺Ʊ£¬¿É½ÚÊ¡304Ôª£¬ÊÔÇóaµÄÖµ£®
£¨3£©Ä³Ñ§Ð£ÆßÄ꼶ÓÐ12¸ö°à£¬Ã¿°à45ÈË£¬Èô¸ÃУÆßÄ꼶¸÷°àͳһ×éÖ¯À´µ½´Ë¾°µã´ºÓΣ¬ÎÊ£ºÈ«Ä꼶×÷Ϊһ¸öÍÅÌ幺Ʊ±È¸÷°àµ¥¶À¹ºÆ±ÄܽÚÊ¡¶àÉÙ·ÑÓã¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2015½ìÕã½­Ê¡½¨µÂÊÐÆßÄ꼶3ÔÂÔ¿¼ÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ijÂÃÓξ°µãµÄÃÅƱ¼Û¸ñ¹æ¶¨ÈçϱíËùʾ£º

ÍÅÌ幺ƱÈËÊý

1¡«50ÈË

51¡«100ÈË

100ÈËÒÔÉÏ

ÿÈËÃÅƱ¼Û£¨ÍÅÌå¼Û£©

13Ôª

11Ôª

aÔª

ѧУÆßÄ꼶£¨1£©£¨2£©Á½¸ö°à¹²104ÈËÈ¥ÂÃÓΣ¬ÆäÖУ¨1£©°àÈËÊý½ÏÉÙ£¬²»µ½50ÈË£¬£¨2£©°àÈËÊý½Ï¶à£¬ÓÐ50¶àÈË£¬¾­¹ÀË㣬Èç¹ûÁ½¸ö°à¶¼ÒÔ°àΪµ¥Î»·Ö±ð¹ºÆ±£¬Ò»¹²Ó¦¸¶¿î1240Ôª£®

£¨1£©ÎÊÁ½°à¸÷ÓÐѧÉú¶àÉÙÃû£¿

£¨2£©Èç¹ûÁ½¸ö°àÁªºÏÆðÀ´£¬×÷Ϊһ¸öÍÅÌ幺Ʊ£¬¿É½ÚÊ¡304Ôª£¬ÊÔÇóaµÄÖµ£®

£¨3£©Ä³Ñ§Ð£ÆßÄ꼶ÓÐ12¸ö°à£¬Ã¿°à45ÈË£¬Èô¸ÃУÆßÄ꼶¸÷°àͳһ×éÖ¯À´µ½´Ë¾°µã´ºÓΣ¬ÎÊ£ºÈ«Ä꼶×÷Ϊһ¸öÍÅÌ幺Ʊ±È¸÷°àµ¥¶À¹ºÆ±ÄܽÚÊ¡¶àÉÙ·ÑÓã¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ijÂÃÓξ°µãµÄÃÅƱ¼Û¸ñ¹æ¶¨ÈçϱíËùʾ£¬Ä³Ð£ÆßÄ꼶£¨1£©¡¢£¨2£©Á½¸ö°à¹²104ÈËÈ¥ÂÃÓΣ¬ÆäÖУ¨1£©°àÈËÊý½ÏÉÙ£¬²»µ½50ÈË£¬£¨2£©°àÈËÊý½Ï¶à£¬ÓÐ50¶àÈË£¬¾­¹ÀË㣬Èç¹ûÁ½¸ö°à¶¼ÒÔ°àΪµ¥Î»·Ö±ð¹ºÆ±£¬Ò»¹²Ó¦¸¶1240Ôª£»
£¨1£©ÎÊÁ½°à¸÷ÓÐѧÉú¶àÉÙÃû£¿
£¨2£©Èç¹ûÁ½¸ö°àÁªºÏÆðÀ´£¬×÷Ϊһ¸öÍÅÌ幺Ʊ£¬Èô¿ÉÊ¡304Ôª£¬ÇóaµÄÖµ£®
¹ºÆ±ÈËÊý1¡«50ÈË51¡«100ÈË100ÈËÒÔÉÏ
ÿÈËÃÅƱ¼Û13Ôª11ÔªaÔª

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸