Question

ÎÒУΪÁËÁ˽â¾ÅÄ꼶ѧÉúÉíÌåËØÖʲâÊÔÇé¿ö£¬Ëæ»ú³éÈ¡Á˱¾Ð£¾ÅÄ꼶²¿·ÖѧÉúµÄÉíÌåËØÖʲâÊԳɼ¨ÎªÑù±¾£¬°´A£¨ÓÅÐ㣩¡¢B£¨Á¼ºÃ£©¡¢C£¨ºÏ¸ñ£©¡¢D£¨²»ºÏ¸ñ£©ËĸöµÈ¼¶½øÐÐͳ¼Æ£¬²¢½«Í³¼Æ½á¹û»æÖƳÉÈçÏÂͳ¼Æͼ£¬Èçͼ£¬ÇëÄã½áºÏͼ±íËù¸øÐÅÏ¢½â´ðÏÂÁÐÎÊÌ⣺

£¨1£©½«ÌõÐÎͳ¼ÆͼÔÚͼÖв¹³äÍêÕû£»
£¨2£©ÉÈÐÎͳ¼ÆͼÖС°A¡±²¿·ÖËù¶ÔÓ¦µÄÔ²ÐĽǵĶÈÊýÊÇ

72¡ã

£»
£¨3£©ÈôÎÒУ¾ÅÄ꼶¹²ÓÐ2000ÃûѧÉú²Î¼ÓÁËÉíÌåËØÖʲâÊÔ£¬ÊÔ¹À¼Æ²âÊԳɼ¨ºÏ¸ñÒÔÉÏ£¨º¬ºÏ¸ñ£©µÄÈËÊýΪ

1800

ÈË£»
£¨4£©ÈôÎÒУ¾ÅÄ꼶ÌåÓý½ÌʦÖÐÓÐ2ÃûÄнÌʦºÍ1ÃûÅ®½Ìʦ£¬°ËÄ꼶ÌåÓý½ÌʦÖÐÓÐ2ÃûÄнÌʦºÍ2ÃûÅ®½Ìʦ£¬ÏÖ´ÓÕâÁ½¸öÄ꼶µÄÌåÓý½ÌʦÖи÷³éÈ¡1ÃûÌåÓý½Ìʦȥ²âÊÔѧÉúµÄÉíÌåËØÖÊ£¬ÓÃÊ÷״ͼ»òÁÐ±í·¨Çó¸ÕºÃ³éµ½µÄÌåÓý½ÌʦÊÇ1ÄÐ1Å®µÄ¸ÅÂÊ£®

Answer 1

·ÖÎö£º£¨1£©Ê×Ïȸù¾ÝÁ½ÖÖͳ¼ÆͼÖеÄB¼¶µÄÈËÊýºÍËùÕ¼µÄ°Ù·ÖÂÊÇóµÃ×ÜÈËÊý£¬È»ºó¼´¿ÉÇóµÄA¼¶µÄÈËÊý£¬´Ó¶ø²¹È«Í³¼Æͼ£»
£¨2£©ÇóµÄA¼¶ËùÕ¼µÄ°Ù·Ö±Èºó³ËÒÔ360¡ã¼´¿ÉÇóµÄÆäÔ²ÐĽǵĶÈÊý£»
£¨3£©ÓÃ×ÜÈËÊý³ËÒԺϸñµÄ°Ù·ÖÂʼ´¿ÉÇóµÄºÏ¸ñµÄÈËÊý£»
£¨4£©ÁÐ±í½«ËùÓпÉÄܽá¹û±íʾ³öÀ´£¬ÀûÓøÅÂʵĶ¨ÒåÇó½â¼´¿É£®

½â´ð£º½â£º£¨1£©ÓÉͳ¼Æ±íÖªB¼¶µÄÓÐ40ÈË£¬Õ¼×ÜÊýµÄ40%£¬
¹Ê×ÜÈËÊýΪ40¡Â40%=100ÈË£¬
A¼¶µÄÈËÊýÓÐ100-40-30-10=20ÈË£¬
ÌõÐÎͳ¼ÆͼΪ£º

£¨2£©360¡ã¡Á£¨1-30%-40%-10%£©=72¡ã£»
£¨3£©³É¼¨ºÏ¸ñµÄÈËÊýÓУº2000¡Á£¨1-10%£©=1800ÈË£»
£¨4£©ÁбíΪ£º

	ÄÐA	ÄÐB	Å®A	Å®B
ÄÐ1	ÄÐ1ÄÐA	ÄÐ1ÄÐB	ÄÐ1Å®A	ÄÐ1Å®B
ÄÐ2	ÄÐ2ÄÐA	ÄÐ2ÄÐB	ÄÐ2Å®A	ÄÐ2Å®B
Å®1	Å®1ÄÐA	Å®1ÄÐB	Å®1Å®A	Å®1Å®B

¹ÊP_{£¨1ÄÐ1Å®£©}=

6

12

=

1

2

£®

µãÆÀ£º±¾Ì⿼²éµÄÊÇÉÈÐÎͳ¼ÆͼµÄ×ÛºÏÔËÓ㮶Á¶®Í³¼Æͼ£¬´Ó²»Í¬µÄͳ¼ÆͼÖеõ½±ØÒªµÄÐÅÏ¢Êǽâ¾öÎÊÌâµÄ¹Ø¼ü£®ÉÈÐÎͳ¼Æͼֱ½Ó·´Ó³²¿·ÖÕ¼×ÜÌåµÄ°Ù·Ö±È´óС£®»¹¿¼²éÁËÓÃÑù±¾¹À¼Æ×ÜÌåµÄ·½·¨ÒÔ¼°ÓÃÁÐ±í·¨Çó¸ÅÂʵķ½·¨£®