ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿ÖÐÑëµçÊǪ́µÄ¡°ÀʶÁÕß¡±½ÚÄ¿¼¤·¢ÁËͬѧÃǵĶÁÊéÈÈÇ飬ΪÁËÒýµ¼Ñ§Éú¡°¶à¶ÁÊ飬¶ÁºÃÊ顱£¬Ä³Ð£¶Ô°ËÄ꼶²¿·ÖѧÉúµÄ¿ÎÍâÔĶÁÁ¿½øÐÐÁËËæ»úµ÷²é£¬ÕûÀíµ÷²é½á¹û·¢ÏÖ£¬Ñ§Éú¿ÎÍâÔĶÁµÄ±¾Êý×îÉÙµÄÓÐ5±¾£¬×î¶àµÄÓÐ8±¾£¬²¢¸ù¾Ýµ÷²é½á¹û»æÖÆÁ˲»ÍêÕûµÄͼ±í£º

±¾Êý£¨±¾£©

ÈËÊý£¨ÈËÊý£©

°Ù·Ö±È

5

a

0.2

6

18

0.36

7

14

b

8

8

0.16

ºÏ¼Æ

c

1

¸ù¾ÝÒÔÉÏÌṩµÄÐÅÏ¢£¬½â´ðÏÂÁÐÎÊÌ⣺

£¨1£©a£½_____£¬b£½_____£¬c£½______£»

£¨2£©²¹È«ÉÏÃæµÄÌõÐÎͳ¼Æͼ£»

£¨3£©Èô¸ÃУ°ËÄ꼶¹²ÓÐ1200ÃûѧÉú£¬ÇëÄã·ÖÎö¸ÃУ°ËÄ꼶ѧÉú¿ÎÍâÔĶÁ7±¾¼°ÒÔÉϵÄÓжàÉÙÃû£¿

¡¾´ð°¸¡¿£¨1£©10£¬0.28£¬50£»£¨2£©²¹Í¼¼û½âÎö£»£¨3£©¸ÃУ°ËÄ꼶ѧÉú¿ÎÍâÔĶÁ7±¾¼°ÒÔÉϵÄÓÐ528Ãû£®

¡¾½âÎö¡¿

£¨1£©¸ù¾Ýͳ¼ÆͼºÍ±í¸ñÖеÄÊý¾Ý¿ÉÒԵõ½a¡¢b¡¢cµÄÖµ£»

£¨2£©¸ù¾Ý£¨1£©ÖÐaµÄÖµ£¬¿ÉÒÔ½«ÌõÐÎͳ¼Æͼ²¹³äÍêÕû£»

£¨3£©¸ù¾Ýͳ¼ÆͼÖеÄÊý¾Ý¿ÉÒÔÇóµÃ¸ÃУ°ËÄ꼶ѧÉú¿ÎÍâÔĶÁ7±¾¼°ÒÔÉϵÄÓжàÉÙÃû£®

½â£º£¨1£©±¾´Îµ÷²éµÄѧÉúÓУº18¡Â0.36£½50£¨ÈË£©£¬

a£½50¡Á0.2£½10£¬

b£½14¡Â50£½0.28£¬

c£½50£¬

¹Ê´ð°¸Îª£º10¡¢0.28¡¢50£»

£¨2£©ÓÉ£¨1£©Öª£¬a£½10£¬

²¹È«µÄÌõÐÎͳ¼ÆͼÈçͼËùʾ£»

£¨3£©¡ß1200¡Á£¨0.28+0.16£©£½528£¨Ãû£©£¬

¡à¸ÃУ°ËÄ꼶ѧÉú¿ÎÍâÔĶÁ7±¾¼°ÒÔÉϵÄÓÐ528Ãû£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø