ÿÌìÉú²ú40̨²úÆ·±ÈԼƻ®¶àÉú²úÁùÌ죬ÿÌìÉú²ú60̨±ÈԼƻ®ÌáÇ°ËÄÌìÍê³ÉÔª£¬¼Æ»®Éú²ú¼¸Ìì¹²Óм¸Åú£¿
...¼Æ»®ÌáÇ°ËÄÌìÍê³ÉÔª,¼Æ»®Éú²ú¼¸Ìì¹²Óм¸Åú?
½âµÃx=(40¡Á6+60¡Á4)/(60-40)=24Ì죬¼Æ»®Éú²ú24Ìì¡£¹²Éú²ú=40¡Á(24+6)=1200̨¡£
Èç¹ûÿÌìÉú²ú40̨²úÆ·±ÈԼƻ®¶àÁùÌì,ÿÌìÉú²ú60̨,±ÈÔ...
¿ÉÖª£¬Ã¿ÌìÉú²ú60̨±ÈÿÌìÉú²ú40̨£¬Ã¿Ìì¶à²ú60-40=20̨¡£ÔÚԼƻ®Ê±¼äÄÚ£¬Ã¿ÌìÉú²ú60̨±ÈÿÌìÉú²ú40̨£¬Òª¶àÉú²ú60¡Á4+40¡Á6=480̨¡£ËùÒÔԼƻ®Ê±¼äΪ£º£¨40¡Á6+...
...ÿÌìÉú²úËÄʮ̨Ҫ±ÈԼƻ®¶àÉú²úÁùÌìÈç¹ûÿÌìÉú²ú - °Ù¶È...
Ô¶¨24Ì죬¹²1200̨¡£ ÉèÔ¶¨xÌì 40*(6+x)=60*(x-4) x=24 40*(6+24)=1200 Èç¹ûÓаﵽÄú Çë¸øÓèºÃÆÀ ллÀ#^_^#×£ÄúÓä¿ì ...
...Òª±ÈԼƻ®Íí8ÌìÍê³É,Èç¹ûÿÌì¼Ó¹¤60¸ö,¾Í¿ÉÒÔÌáÇ°...
Éè¼Æ»®xÌìÍê³É,ÔòÓÐ:50(x+8)=60(x-6);10x=760;x=76;Լƻ®76ÌìÍê³É
Äã¶Ô¸ÕÉúÍ꺢×ÓµÄÔи¾ÓÐʲô½¨Òé?
1£¬¹ØÓÚÔÂÉ©»òÕßÔÂ×ÓÖÐÐÄ 2£¬²úºóµÚ1Ìì 3£¬²úºóµÚ2Ìì 4£¬²úºó3~5Ìì 5£¬ÕâЩÎïÆ·¿ÉÒÔ°ïÖúÄã 6£¬Ò»Ð©ÆäËû×¢ÒâÊÂÏî 7£¬ÏàÐÅ×Ô¼º 1£¬¹ØÓÚÔÂ...
ÐвâÊýÁ¿¹ØϵÔõô×ö°¡?ËãÁË,»¹ÊÇÎÊÔõôÃÉ°É?
ÔËÆøºÃ»¹ÄܶÔ1¸öÄØ£¬ÔËÆø²»ºÃÈ«ÃÉ´íÁËҲûÊ£¬°ÑÊ¡ÏÂÀ´µÄʱ¼ä»¨ÔÚÆäËûÄÜ×ö³öÀ´µÄÌâÉÏÃ棬ÐвâÖ»ÓÐ×ö³öÀ´µÄÌâ²ÅÊÇ·ÖÊý¡£ÍøÉÏÓÐÈ˸øÎÒÁôÑÔ˵...
...Լƻ®ËÄÔ·ÝÉú²úÍæ¾ßÈýǧÏä,½á¹ûÇ°ÁùÌìÉú²ú
ѧУÂòÀ´Ò»Åú¶ùͯ¶ÁÎï,°´Îå±ÈÁù·Ö¸øÁùÄ꼶¼×ÒÒÁ½¸ö°à,¼×°à·ÖµÄÁùÊ®±¾,ÕâÅú¶ùͯ¶ÁÎïÒ»¹²ÓжàÉÙ±¾?(ÓñÈÀý·½·¨½â)¡¾Òª¹ý³Ì¡¿ °ÂµÏÍæ¾ß³§Ô¼Æ»®ËÄÔ·ÝÉú²úÍæ¾ßÈýǧÏä,½á¹ûÇ°ÁùÌìÉú²ú...
¼×±ÈԼƻ®ÌáÇ°Ò»Ìì,ÒÒ±ÈԼƻ®ÍíÁËÁùÌì
x+5)=1 2(x+5)+x(x+2)=x(x+5)2x+10+x²+2x=x²+5x x=10 ËùÒÔ1¡Â£¨1/10+1/15)=6£¨Ì죩´ð£º¼×¡¢ÒÒºÏ×÷Íê³ÉÕâÏ×÷,ÐèÒª6ÌìÍê³É.
...½á¹ûÌáÇ°ÁùÌìÍê³É,ʵ¼ÊÿÌì±ÈԼƻ®¶à×°¶©¶àÉÙÌ×? - °Ù¶È...
14400¡Â(30-6)=600£¬600-14400¡Â30=120£¬Êµ¼ÊÿÌì±ÈԼƻ®¶à×°¶©120Ì×
...ʵ¼ÊÿÌì±ÈԼƻ®¶àÉú²ú¶àÉÙÌ×?
ÁÐʽ¼ÆË㣺240X8¡Â6-240 =320-240 =80£¨Ì×£©´ð£ºÊµ¼ÊÿÌì±ÈԼƻ®Ã¿Ìì¶àÉú²ú80Ìס£