Question

2007Äê5ÔÂ30ÈÕ£¬ÔÚ¡°ÁùÒ»¹ú¼Ê¶ùͯ½Ú¡±À´ÁÙÖ®¼Ê£¬Ä³³õ¼¶ÖÐѧ¿ªÕ¹ÁËÏòɽÇø¡°Ï£

ÍûСѧ¡±¾èÔùͼÊé»î¶¯£®È«Ð£1200ÃûѧÉúÿÈ˶¼¾èÔùÁËÒ»¶¨ÊýÁ¿µÄͼÊ飮ÒÑÖª¸÷Ä꼶ÈËÊý±ÈÀý·Ö²¼ÉÈÐÎͳ¼ÆͼÈçͼ¢ÙËùʾ£®Ñ§Ð£ÎªÁËÁ˽â¸÷Ä꼶¾èÔùÇé¿ö£¬´Ó¸÷Ä꼶ÖÐËæ»ú³é²éÁ˲¿·ÖѧÉú£¬½øÐÐÁ˾èÔùÇé¿öµÄͳ¼Æµ÷²é£¬»æÖƳÉÈçͼ¢ÚµÄƵÊý·Ö²¼Ö±·½Í¼£®¸ù¾ÝÒÔÉÏÐÅÏ¢½â´ðÏÂÁÐÎÊÌ⣺

£¨1£©´Óͼ¢ÚÖУ¬ÎÒÃÇ¿ÉÒÔ¿´³öÈ˾ù¾èÔùͼÊé×î¶àµÄÊÇ_______Ä꼶£»

£¨2£©¹À¼Æ¾ÅÄ꼶¹²¾èÔùͼÊé¶àÉÙ²á?

£¨3£©È«Ð£´óÔ¼¹²¾èÔùͼÊé¶àÉÙ²á?

 

Answer 1

¡¾´ð°¸¡¿

½â£º£¨1£©°Ë£®                                    ¡­¡­¡­¡­¡­¡­¡­¡­¡­1·Ö

£¨2£©¾ÅÄ꼶µÄѧÉúÈËÊýΪ1200¡Á35%=420£¨ÈË£©£¬¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­2·Ö

¹À¼Æ¾ÅÄ꼶¹²¾èÔùͼÊéΪ 420¡Á5=2100£¨²á£©£®¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­3·Ö

£¨3£©ÆßÄ꼶µÄѧÉúÈËÊýΪ1200¡Á35%=420£¨ÈË£©£¬

¹À¼ÆÆßÄ꼶¹²¾èÔùͼÊéΪ420¡Á4.5=1890£¨²á£©£»¡­¡­¡­¡­¡­¡­¡­¡­¡­4·Ö

°ËÄ꼶µÄѧÉúÈËÊýΪl200x¡Á30%=360£¨ÈË£©£¬

¹À¼Æ°ËÄ꼶¹²¾èÔùͼÊéΪ360¡Á6=2160£¨²á£©£®¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­5·Ö

¡àȫУ´óÔ¼¹²¾èÔùͼÊéΪ1890+2160+2100=6150£¨²á£©

´ð£º¹À¼Æ¾ÅÄ꼶¹²¾èÔùͼÊé2l00²á£¬È«Ð£´óÔ¼¹²¾èÔùͼÊé6150²á£® ¡­¡­¡­¡­¡­¡­¡­6·Ö

¡¾½âÎö¡¿ÂÔ