Í㶹×ÓÒ¶µÄ»ÆÉ«£¨Y£©¶ÔÂÌÉ«£¨y£©ÎªÏÔÐÔ£¬Ô²Á£ÖÖ×Ó£¨R£©¶ÔÖåÁ£ÖÖ×Ó£¨r£©ÎªÏÔÐÔ¡£Ä³ÈËÓûÆÉ«Ô²Á£ºÍÂÌÉ«Ô²Á£µÄÍ㶹½øÐÐÔÓ½»£¬·¢ÏÖºó´ú³öÏÖ4ÖÖÀàÐÍ£¬¶ÔÐÔ×´µÄͳ¼Æ½á¹ûÈçͼËùʾ¡£Çë¸ù¾Ýͼ»Ø´ðÎÊÌ⣺

£¨1£©Ç×±¾µÄ»ùÒòÐÍÊÇ            ºÍ             ¡£
£¨2£©ÔÚF1ÖУ¬±íÏÖÐͲ»Í¬ÓÚÇ×±¾µÄÊÇ          ºÍ            ¡£
ËüÃÇÖ®¼äµÄÊýÁ¿±ÈΪ            ¡£
£¨3£©F1Öд¿ºÏ×ÓÕ¼µÄ±ÈÀýÊÇ          ¡£
£¨4£©F1ÖлÆÉ«Ô²Á£Í㶹µÄ»ùÒòÐÍÊÇ                    ¡£
£¨5£©Èô½«F1ÖеÄÖåÁ£Í㶹ȥµô£¬ÆäÓàµÄ×Ô½»£¬F2ÖÐÖåÁ£Í㶹ռµÄ±ÈÀýÊÇ     

£¨1£©YyRr£»yyRr£¨2£©»ÆÉ«ÖåÁ££»ÂÌÉ«ÖåÁ£ 1:1£¨3£©1/4 (4)YyRR»òYyRr£¨5£©1/6

½âÎöÊÔÌâ·ÖÎö£º
(1)¸ù¾ÝÔÓ½»ºó´úÐÔ×´ÀàÐÍͼ£¬¿ÉÖª×Ó´úÔ²Á£¡ÃÖåÁ£=3¡Ã1£¬ËµÃ÷Ç×±¾Îª×Ô½»ÀàÐÍ£¬¼´Rr¡ÁRr£»×Ó´ú»ÆÉ«¡ÃÂÌÉ«=1¡Ã1£¬¿ÉÖªÇ×±¾Îª²â½»ÀàÐÍ£¬¼´Yy ¡Á yy£¬×ÛºÏÒÔÉÏ·ÖÎö¿ÉÖª£¬Ç×±¾µÄ»ùÒò×é³É·Ö±ðÊÇYyRr¡¢yyRr¡£
(2)Ç×±¾ÔÓ½»£¬ºó´ú³öÏÖеÄÖØ×éÀàÐÍ»ÆÉ«ÖåÁ£¡¢ÂÌÉ«ÖåÁ££¬»ÆÉ«ÖåÁ£(Yyrr)Õ¼1/2¡Á1/4 ="1/8," ÂÌÉ«ÖåÁ£(yyrr)Ϊ1/2¡Á1/4 =1/8£¬ËùÒÔ»ÆÉ«ÖåÁ££ºÂÌÉ«ÖåÁ£=1:1¡£
(3) F1Öд¿ºÏ×ÓÕ¼µÄ±ÈÀý1/2¡Á1/2 =1/4¡£
£¨4£©F1ÖлÆÉ«Ô²Á£Í㶹µÄ»ùÒò×é³ÉÊÇYyRR»òYyRr¡£
£¨5£©Ö»¿¼ÂÇÔ²Á£ºÍÖåÁ£ÕâÒ»¶ÔÏà¶ÔÐÔ×´£¬½«F1ÖеÄÖåÁ£Í㶹ȥµô£¬Ê£Óà¸öÌåµÄ»ùÒòÐͼ°±ÈÀýΪ1/3RR¡¢2/3Rr£¬ÕâЩ¸öÌå×Ô½»£¬F2ÖÐÖåÁ£Í㶹ռµÄ±ÈÀýÊÇ2/3¡Á1/4 =1/6.
¿¼µã£º±¾Ì⿼²é»ùÒò×ÔÓÉ×éºÏ¶¨ÂɵÄÓ¦Óá£
µãÆÀ£º±¾Ìâ½áºÏÖùÐÎͼ£¬¿¼²é»ùÒò×ÔÓÉ×éºÏ¶¨ÂɵÄÓ¦Óã¬ÒâÔÚ¿¼²é¿¼ÉúµÄÓ¦ÓÃÄÜÁ¦£¬ÊôÓÚÖеÈÄѶÈÌâ¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2011-2012ѧÄ꼪ÁÖÊ¡ÍôÇåÁùÖиßÒ»ÏÂѧÆÚÆÚÖп¼ÊÔÉúÎïÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£º×ÛºÏÌâ

Í㶹×ÓÒ¶µÄ»ÆÉ«£¨Y£©£¬Ô²Á£ÖÖ×Ó£¨R£©¾ùΪÏÔÐÔ¡£ÈÃÇ×±¾Îª´¿ÖֵĻÆÉ«Ô²Á£Í㶹ÓëÂÌÉ«ÖåÁ£Í㶹ÔÓ½»£¬·ÖÎöÈçÏÂÎÊÌ⣺
£¨1£©F1×Ô½»µÃF2£¬ F2µÄ±íÏÖÐͼ°Æä±ÈÖµÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡______________¡£
£¨2£©F2Öд¿ºÏÌåÕ¼¡¡   ¡¡    £¬F2ÖÐÓëÇ×±¾±íÏÖÐÍÏàͬµÄ¸öÌåÕ¼¡¡¡¡     _   ¡£
£¨3£©ÈÃF1µÄ»ÆÉ«Ô²Á£Í㶹ÓëÂÌÉ«ÖåÁ£Í㶹ÔÓ½»£¬×Ó´úµÄÐÔ×´·ÖÀë±ÈΪ£¨¡¡¡¡£©

A£®9£º3£º3£º1B£®3£º1£º3£º1C£®1£º1£º1£º1D£®2£º2£º1£º1

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2011-2012ѧÄêɽ¶«Ê¡¸ßÈý10Ô·ÝÖÊÁ¿¼ì²âÉúÎïÊÔ¾í ÌâÐÍ£ºÑ¡ÔñÌâ

Í㶹×ÓÒ¶µÄ»ÆÉ«£¨Y£©£¬Ô²Á£ÖÖ×Ó£¨R£©¾ùΪÏÔÐÔ¡£Á½Ç×±¾Í㶹ÔÓ½»µÄF1±íÐÍÈçÏÂͼ¡£ÈÃF1ÖлÆÉ«Ô²Á£Í㶹ÓëÂÌÉ«ÖåÁ£Í㶹ÔÓ½»£¬F2µÄÐÔ×´·ÖÀë±ÈΪ£¨      £©

A.9¡Ã3¡Ã3¡Ã1                                 B.3¡Ã1¡Ã3¡Ã1

C.1¡Ã1¡Ã1¡Ã1                                 D.2¡Ã2¡Ã1¡Ã1

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2013½ìÉÂÎ÷Ê¡¸ß¶þÉÏѧÆÚÆÚÄ©¿¼ÊÔÉúÎïÊÔ¾í ÌâÐÍ£ºÑ¡ÔñÌâ

Í㶹×ÓÒ¶µÄ»ÆÉ«£¨Y£©¡¢Ô²ÐÎÖÖ×Ó£¨R£©¾ùΪÏÔÐÔ¡£Á½Ç×±¾Í㶹ÔÓ½»µÃµ½µÄF1±íÏÖÐÍÈçͼËùʾ¡£ÈÃF1ÖлÆÉ«Ô²ÐÎÍ㶹ÓëÂÌÉ«ÖåÐÎÍ㶹ÔÓ½»£¬F2µÄÐÔ×´·ÖÀë±ÈΪ

A£®3¡Ã1¡Ã3¡Ã1       B£®2¡Ã2¡Ã1¡Ã1              

C£®1¡Ã1¡Ã1¡Ã1       D£®9¡Ã3¡Ã3¡Ã1

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2010¡ª2011´óÁ¬ÊиßÒ»ÏÂѧÆÚÉúÎïÆÚÄ©²âÊÔÉúÎïÊÔ¾í ÌâÐÍ£ºÑ¡ÔñÌâ

Í㶹×ÓÒ¶µÄ»ÆÉ«£¨Y£©£¬Ô²Á£ÖÖ×Ó£¨R£©¾ùΪÏÔÐÔ¡£Á½Ç×±¾Í㶹ÔÓ½»µÄF1±íÐÍÈçÏÂͼ¡£ÈÃF1ÖлÆÉ«Ô²Á£Í㶹ÓëÂÌÉ«ÖåÁ£Í㶹ÔÓ½»£¬F2µÄÐÔ×´·ÖÀë±ÈΪ(    )

A.9£º3£º3£º1      B.3£º1£º3£º1       C.1£º1£º1£º1       D.2£º2£º1£º1

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2012½ì¹ã¶«Ê¡¸ß¶þÏÂѧÆÚÆÚÖп¼ÊÔÉúÎïÊÔ¾í ÌâÐÍ£ºÑ¡ÔñÌâ

Í㶹×ÓÒ¶µÄ»ÆÉ«£¨Y£©£¬Ô²Á£ÖÖ×Ó£¨R£©¾ùΪÏÔÐÔ¡£Á½Ç×±¾Í㶹ÔÓ½»µÄF1±íÐÍÈçÓÒͼ¡£ÈÃF1ÖлÆÉ«Ô²Á£Í㶹ÓëÂÌÉ«ÖåÁ£Í㶹ÔÓ½»£¬F2µÄÐÔ×´·ÖÀë±ÈΪ

A.9£º3£º3£º1              B.3£º1£º3£º1

C.1£º1£º1£º1              D.2£º2£º1£º1

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸