½ú½­ÎÄѧ³Ç
ÊéÃû×÷Õß ¸ß¼¶ËÑË÷

Ê×Ò³>¡¶ÎïÒÔϡΪ¹ó¡·  µÚ2ÕÂ

ÍøÓÑ£ºÇïˮһɺ1% ´ò·Ö£º2 [2015-12-10 21:45:39]

Áз½³Ì¾ÍÐÐÁË£¬ÉèÈýÖÖ²»Í¬µÄ¼¦·Ö±ðΪx.y.z,x+y+z=100,5x+3y+3z=100,È»ºó¾Í¿ÉÒÔ½âÁË

   

[1Â¥] ÍøÓÑ£ºÇïˮһɺ1% [2015-12-10 21:51:02]

ÎÔ²Û£¡¿´´íÌâÄ¿ÁË£¡Ó¦¸ÃÊÇx+y+z=100,5x+3y+1/3z=100,È»ºó½â·½³Ì£¬Õâô¼òµ¥¶¼²»»áÎÒÒ²ÊÇ×íÁË£¡

    [ͶËß]

[2Â¥] ÍøÓÑ£ºyipingjiu [2015-12-15 08:39:32]

Èý¸öδ֪Êý£¬Á½¸ö·½³Ì£¬Ò»°ãµÄ½â·½³ÌÊǽⲻ¿ªµÄ°É

1   [ͶËß]

[3Â¥] ÍøÓÑ£ºfengguanyurong [2015-12-15 18:11:34]

Õâ¸öÊÇ·ÇÆë´ÎÏßÐÔ·½³Ì×é´æÔÚÎÞÇî¶à½âµÄÇé¿ö£¬ËäÈ»´ËÌâ¼òµ¥£¬µ«±ê×¼½â·¨ÕæµÄ²»ÊÇÂ¥ÏÂ˵µÄСѧ¶¼»á£¬ÊÇ´óѧÏßÐÔ´úÊýÎÊÌâ

    [ͶËß]

[5Â¥] ÍøÓÑ£ºfengguanyurong [2015-12-15 20:49:27]

àÅàÅ£¬ÊǽâµÄ¿ªµÄ£¬ÒòΪÕâ¸öÌâ¼òµ¥Â²»¹ýÖÐѧ½×¶ÎÊDz»¿¼²ìÕâÖÖ·½³ÌʽÊýСÓÚδ֪ÊýµÄ·½³ÌµÄѽ£¬ÒòΪÕâ±Ï¾¹²»ÊDZê×¼Ëã·¨£¬×îºóÕâÖÖ·½³Ì±ê×¼´ð°¸ÊÇд³Éͨ½âÐÎʽ£¬¶ø²»ÊÇÁо١£µ±±ä³ÉËÄÎå¸öδ֪Êý¸ü¶à¸ö·½³ÌÖÐѧÉúµÄ·½·¨¾Í²»ÊÊÓÃÁË¡£¿ÉÄÜÎÒÓеã½ÏÕæÁË£¬Ö»ÊÇÏë±í´ïһϽâÕâ¸ö·½³ÌµÄ֪ʶµãÊÇ´óѧµÄ£¬ËäÈ»Ëü¼òµ¥µÄÖÐѧÉú¾Í¿ÉÒԽ⡫

    [ͶËß]

[6Â¥] ÍøÓÑ£ºfengguanyurong [2015-12-15 21:02:26]

ËùÒÔÎÒÈÏΪ×÷Õß´ó´óÔÚÎÄÖÐ˵ÕâÊǸßѧµÄ»ù´¡ÌâÒ²»¹ÐÐÁË£¬´ó¼Òû±ØÒª×Ü˵ÕâÊÇСѧÉú¶¼»áµÄÌâ¡«È»ºó·ÅÕâÀï²»ºÏÊÊ£º1¡¢Õâ±Ï¾¹Ö»ÊÇС˵£¬ÓÖ²»ÊÇÉýѧ¿¼ÊÔ¡£2¡¢¾ÍËãÒª¿¼¾¿Ò»Ð©´Ë´¦·ÅÕâµÀÌâҲûÄÇôµÍ¼¶

    [ͶËß]

[7Â¥] ÍøÓÑ£ºÎ¢Óêºì³¾31% [2015-12-17 17:08:45]

ÎҸоõÎÒÊýѧºÃ²î£¬ÎÒ¾ÓÈ»¾õµÃÈ˼ÒÎÄÀïµÄСÃÃ×öµÄ²»¶Ô£¬ÄѵÀֵǮһ£¬²»ÊÇÒ»ÎÄÇ®£¬ÔõôÆßÊ®°Ë²Å¶þÊ®ÁùÎÄ£¿£¿£¿£¿

    [ͶËß]

[8Â¥] ÍøÓÑ£º°®¡¤¤ª¤Ü¤¨¤Æ¤¤¤Þ¤¹¤« [2015-12-17 19:03:21]

„eÍüÓ›¹«ëuĸëu°¢...ëuÒ²Òªß_µ½°Ùëb
֮ǰÔÚ4˜ÇŒ‘ÁË‚€±ÈÝ^º††ÎÒ×¶®µÄÔ”½â½Y¹û±»„hÁË,ÕæÊÇ‘n‚û

    [ͶËß]

[9Â¥] ÍøÓÑ£ºÈ˼äÁùÔÂÑ© [2015-12-18 14:16:33]

·´ÕýÎÒÊDz»»á

    [ͶËß]

[10Â¥] ÍøÓÑ£ºÊýѧϹ×ÓÒ»¿î [2015-12-26 01:07:15]

ÎÒÒ²²»»á£¬ÐÄÈû

    [ͶËß]

[11Â¥] ÍøÓÑ£º÷ÈÒ»Óê [2016-01-12 12:28:09]

ÎÒÒ²²»»á

    [ͶËß]

[12Â¥] ÍøÓÑ£º0 0 [2016-04-14 22:38:10]

3¥˵µÄ¶Ô£¬×÷Ϊѧ°Ô¿´µ½ÕâЩѧÔüÌâ¶¼²»Àí½â¾Í˵¼òµ¥ËµÐ¡Ñ§ÉúÎÒÕæµÄÊܲ»ÁËÁË¡£Ð¡Ñ§³õÖиßÖиù±¾²»Ñ§Õâ¸öµÄºÃÂð¡£

    [ͶËß]

[13Â¥] ÍøÓÑ£ºÌìÌõļٷ¢¾ú91% [2016-05-12 00:38:09]

¡­»¹Òª¼ÓÉÏx y z ¶¼ÊÇÕûÊýÒÔ¼°zÊÇ3µÄ±¶ÊýÕâЩÌõ¼þ È»ºó°¤¸öÄÃ3µÄ±¶ÊýÊÔ²»¾ÍºÃÁË¡­¡­

    [ͶËß]

дÊéÆÀ | ¿´ÊéÆÀ | ·µ»Ø

×îºóÉú³É£º2025-09-04 22:45:19 ·´À¡ ÁªÏµÎÒÃÇ@½ú½­ÎÄѧ³Ç
´¿ÊôÐé¹¹ ÇëÎðÄ£·Â °æÈ¨ËùÓÐ ÇÖȨ±Ø¾¿ ÊʶÈÔĶÁ ÇÐÎð³ÁÃÔ ºÏÀí°²ÅÅ ÏíÊÜÉú»î