ÌâÄ¿ÄÚÈÝ
£¨10·Ö£©¼×¡¢ÒÒÁ½Ð£²Î¼ÓÇø½ÌÓý¾Ö¾Ù°ìµÄѧÉúÓ¢Óï¿ÚÓᄎÈü£¬Á½Ð£²ÎÈüÈËÊýÏàµÈ£®±È
Èü½áÊøºó£¬·¢ÏÖѧÉú³É¼¨·Ö±ðΪ7·Ö¡¢8·Ö¡¢9·Ö¡¢10·Ö£¨Âú·ÖΪ10·Ö£©£®ÒÀ¾Ýͳ¼ÆÊý¾Ý»æÖÆÁËÈçÏÂÉв»ÍêÕûµÄͳ¼Æͼ±í£®
£¨1£©ÔÚͼ11.1ÖУ¬¡°7·Ö¡±ËùÔÚÉÈÐεÄÔ²ÐĽǵÈÓÚ ¡ã£»½«Í¼11.2µÄͳ¼Æͼ²¹³äÍêÕû£»
£¨2£©¾¼ÆË㣬ÒÒУµÄƽ¾ù·ÖÊÇ8.3·Ö£¬ÖÐλÊýÊÇ8·Ö£¬Çëд³ö¼×УµÄƽ¾ù·Ö¡¢ÖÐλÊý£»²¢´Óƽ¾ù·ÖºÍÖÐλÊýµÄ½Ç¶È·ÖÎöÄĸöѧУ³É¼¨½ÏºÃ£»
£¨3£©Èç¹û¸Ã½ÌÓý¾ÖÒª×éÖ¯8È˵Ĵú±í¶Ó²Î¼ÓÊм¶ÍÅÌåÈü£¬Îª±ãÓÚ¹ÜÀí£¬¾ö¶¨´ÓÕâÁ½Ëùѧ
УÖеÄÒ»ËùÌôÑ¡²ÎÈüÑ¡ÊÖ£¬ÇëÄã·ÖÎö£¬Ó¦Ñ¡ÄÄËùѧУ£¿

![]() |
£¨1£©ÔÚͼ11.1ÖУ¬¡°7·Ö¡±ËùÔÚÉÈÐεÄÔ²ÐĽǵÈÓÚ ¡ã£»½«Í¼11.2µÄͳ¼Æͼ²¹³äÍêÕû£»
£¨2£©¾¼ÆË㣬ÒÒУµÄƽ¾ù·ÖÊÇ8.3·Ö£¬ÖÐλÊýÊÇ8·Ö£¬Çëд³ö¼×УµÄƽ¾ù·Ö¡¢ÖÐλÊý£»²¢´Óƽ¾ù·ÖºÍÖÐλÊýµÄ½Ç¶È·ÖÎöÄĸöѧУ³É¼¨½ÏºÃ£»
£¨3£©Èç¹û¸Ã½ÌÓý¾ÖÒª×éÖ¯8È˵Ĵú±í¶Ó²Î¼ÓÊм¶ÍÅÌåÈü£¬Îª±ãÓÚ¹ÜÀí£¬¾ö¶¨´ÓÕâÁ½Ëùѧ

£¨1£©144£»Èçͼ2. ¡¡¡£¨3·Ö£©
£¨2£©¼×УµÄƽ¾ù·ÖΪ8.3·Ö£¬ÖÐλÊý
Ϊ7·Ö£»ÓÉÓÚÁ½Ð£Æ½¾ù·ÖÏàµÈ£¬
ÒÒУ³É¼¨µÄÖÐλÊý´óÓÚ¼×
УµÄÖÐ
λÊý£¬ËùÒÔ´Óƽ¾ù·ÖºÍÖÐλÊý½Ç¶È
ÉÏÅжϣ¬ÒÒУµÄ³É¼¨½ÏºÃ£®£¨7·Ö£©
£¨3£©
ÒòΪѡ8ÃûѧÉú²Î¼ÓÊм¶¿ÚÓïÍÅ
ÌåÈü£¬¼×УµÃ10·ÖµÄÓÐ8ÈË£¬¶ø
ÒÒУµÃ10·ÖµÄÖ»ÓÐ5ÈË£¬ËùÒÔÓ¦
Ñ¡¼×У£® ¡¡¡£¨10·Ö£©

Ϊ7·Ö£»ÓÉÓÚÁ½Ð£Æ½¾ù·ÖÏàµÈ£¬
ÒÒУ³É¼¨µÄÖÐλÊý´óÓÚ¼×

λÊý£¬ËùÒÔ´Óƽ¾ù·ÖºÍÖÐλÊý½Ç¶È
ÉÏÅжϣ¬ÒÒУµÄ³É¼¨½ÏºÃ£®£¨7·Ö£©
£¨3£©

ÌåÈü£¬¼×УµÃ10·ÖµÄÓÐ8ÈË£¬¶ø
ÒÒУµÃ10·ÖµÄÖ»ÓÐ5ÈË£¬ËùÒÔÓ¦
Ñ¡¼×У£® ¡¡¡£¨10·Ö£©
ÂÔ

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿