ÌâÄ¿ÄÚÈÝ
ÎÒ¹úµÄ¡°æ϶ð¡±Ì½Ô¹¤³ÌÒÑÕýʽÆô¶¯£®¾Ý¿Æѧ¼ÒÔ¤²â£¬ÔÂÇòµÄÍÁÈÀÖÐÎü¸½×ÅÊý°ÙÍò¶ÖµÄ
He£¬È«ÊÀ½çÈç¹ûÓá°º¤3¡±¾Û±ä·¢µç£¬ÄÜÓÃÒ»Íòµ½ÎåÍòÄ꣮ÔÚµØÇòÉÏ£¬º¤ÔªËØÖ÷ÒªÒÔ
HeµÄÐÎʽ´æÔÚ£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
3 |
2 |
4 |
2 |
·ÖÎö£ºA¡¢Ô×Ó·ûºÅZAX£¬×óϽÇZ´ú±íÖÊ×ÓÊý£¬×óÉϽÇA´ú±íÖÊÁ¿Êý£¬X´ú±íÔªËØ·ûºÅ£¬ÆäÖÐÖÊÁ¿Êý=ÖÊ×ÓÊý+ÖÐ×ÓÊý£®
B¡¢23HeÓë24HeÖÊ×ÓÊýÏàͬ£¬ÖÊÁ¿Êý²»Í¬£¬Îªº¤ÔªËصIJ»Í¬Ô×Ó£¬»¥ÎªÍ¬Î»ËØ£®
C¡¢ÖÐ×ÓÊý=ÖÊÁ¿Êý-ÖÊ×ÓÊý£¬¾Ý´Ë¼ÆËãÅжϣ®
D¡¢24He×îÍâ²ãµç×ÓÊýΪ2£¬µ«HeÖ»ÓÐ1¸öµç×Ӳ㣬Ϊ±¥ºÍÎȶ¨×´Ì¬£¬HeµÄÐÔÖÊÎȶ¨£¬¼¸ºõ²»±íÏÖ½ðÊôÐÔ¡¢·Ç½ðÊôÐÔ£®
B¡¢23HeÓë24HeÖÊ×ÓÊýÏàͬ£¬ÖÊÁ¿Êý²»Í¬£¬Îªº¤ÔªËصIJ»Í¬Ô×Ó£¬»¥ÎªÍ¬Î»ËØ£®
C¡¢ÖÐ×ÓÊý=ÖÊÁ¿Êý-ÖÊ×ÓÊý£¬¾Ý´Ë¼ÆËãÅжϣ®
D¡¢24He×îÍâ²ãµç×ÓÊýΪ2£¬µ«HeÖ»ÓÐ1¸öµç×Ӳ㣬Ϊ±¥ºÍÎȶ¨×´Ì¬£¬HeµÄÐÔÖÊÎȶ¨£¬¼¸ºõ²»±íÏÖ½ðÊôÐÔ¡¢·Ç½ðÊôÐÔ£®
½â´ð£º½â£ºA¡¢24HeÖÊ×ÓÊýΪ2£¬¹ÊA´íÎó£»
B¡¢23HeÓë24HeÖÊ×ÓÊýÏàͬ£¬ÖÊÁ¿Êý²»Í¬£¬Îªº¤ÔªËصIJ»Í¬Ô×Ó£¬»¥ÎªÍ¬Î»ËØ£¬¹ÊBÕýÈ·£»
C¡¢23HeÖÐ×ÓÊýΪ3-2=1£¬¹ÊC´íÎó£»
D¡¢24He×îÍâ²ãµç×ÓÊýΪ2£¬µ«HeÖ»ÓÐ1¸öµç×Ӳ㣬Ϊ±¥ºÍÎȶ¨×´Ì¬£¬HeµÄÐÔÖÊÎȶ¨£¬¼¸ºõ²»±íÏÖ½ðÊôÐÔ¡¢·Ç½ðÊôÐÔ£¬¹ÊD´íÎó£®
¹ÊÑ¡£ºB£®
B¡¢23HeÓë24HeÖÊ×ÓÊýÏàͬ£¬ÖÊÁ¿Êý²»Í¬£¬Îªº¤ÔªËصIJ»Í¬Ô×Ó£¬»¥ÎªÍ¬Î»ËØ£¬¹ÊBÕýÈ·£»
C¡¢23HeÖÐ×ÓÊýΪ3-2=1£¬¹ÊC´íÎó£»
D¡¢24He×îÍâ²ãµç×ÓÊýΪ2£¬µ«HeÖ»ÓÐ1¸öµç×Ӳ㣬Ϊ±¥ºÍÎȶ¨×´Ì¬£¬HeµÄÐÔÖÊÎȶ¨£¬¼¸ºõ²»±íÏÖ½ðÊôÐÔ¡¢·Ç½ðÊôÐÔ£¬¹ÊD´íÎó£®
¹ÊÑ¡£ºB£®
µãÆÀ£º¿¼²éͬλËØ¡¢Ô×Ó¹¹³ÉÖÐ΢Á£Ö®¼ä¹Øϵ¡¢Ô×ӽṹÓëÐÔÖʹØϵµÈ£¬±È½Ï»ù´¡£¬×¢Òâ»ù´¡ÖªÊ¶µÄÕÆÎÕ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
½ñÄêÎÒ¹úµÄ¡°æ϶ð¡±Ì½Ô¹¤³ÌÒÑ»ù±¾ÊµÏÖ£¬¾Ý¿Æѧ¼ÒÔ¤²âÔÂÇòµÄÍÁÈÀÖÐÎü¸½×ÅÊý°ÙÍò¶ÖµÄ
He£¬¶øÔÚµØÇòÉϺ¤ÔªËØÖ÷ÒªÒÔ
HeµÄÐÎʽ´æÔÚ£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
4 2 |
3 2 |
A¡¢
| ||||
B¡¢
| ||||
C¡¢
| ||||
D¡¢
|