ÌâÄ¿ÄÚÈÝ
ijУÓÐ200ÃûѧÉú±¨Ãû²Î¼ÓÇøÊýѧ¾ºÈü£¬ÎªÁËÑ¡ËÍÓÅÐãÑ¡ÊÖ£¬½øÐÐÁËУÄڵijõÈü£¬²¢´ÓÖÐËæ»ú³éÈ¡ÁË50ÃûѧÉú£¬½«ËûÃǵijõÈü³É¼¨£¨µÃ·ÖΪÕûÊý£¬Âú·ÖΪ100·Ö£©£¬ÕûÀí²¢ÖÆ×÷ÁËÈçͼËùʾµÄͳ¼Æͼ£¨²¿·Ö£©£®¸ù¾ÝͼÖеÄÐÅÏ¢£¬»Ø´ðÏÂÁÐÎÊÌ⣺£¨1£©µÚËÄ×éµÄƵÊýΪ
£¨2£©¹À¼Æ¸ÃУÕâ´Î³õÈü³É¼¨ÔÚ60¡«69·ÖÊý¶ÎµÄѧÉúÔ¼ÓÐ
£¨3£©Èô½«³éÑùÖеĵÚËÄ¡¢µÚÎå×éµÄѧÉúËæ»úÌôÑ¡2Ãû²Î¼ÓÌá¸ß°à£®ÇëÓÃÁÐ±í·¨»ò»Ê÷״ͼ·¨Çó£ºÌôÑ¡µÄ2ÃûѧÉúµÄ³õÈü³É¼¨Ç¡ºÃ¶¼ÔÚµÚÎå×éµÄ¸ÅÂÊ£®
·ÖÎö£º£¨1£©±¾ÌâÐèÏȸù¾ÝͼÖÐËù¸øµÄÊý¾Ý£¬ÔÙ¸ù¾ÝÔÚѧУÖÐËæ»ú³éÈ¡ÁË50ÃûѧÉú£¬¼´¿ÉÇó³öµÚËÄ×éµÄƵÊý£®
£¨2£©±¾ÌâÐèÏȸù¾Ý³õÈü³ÉÔÚ60¡«69Êý¶ÎÔÚͼÖеÄÊý¾Ý£¬¼´¿ÉÇó³öÔÚÕâ¸ö¶ÎÖеÄѧÉúÊý£®
£¨3£©±¾ÌâÐèÏȸù¾ÝµÚËÄ¡¢µÚÎå×éµÄѧÉú×ÜÊý£¬ÔÙ¸ù¾ÝËæ»úÌôÑ¡2Ãû²Î¼ÓÌá¸ß°à£¬¼´¿ÉÇó³öµÚÎå×éµÄ¸ÅÂÊ£®
£¨2£©±¾ÌâÐèÏȸù¾Ý³õÈü³ÉÔÚ60¡«69Êý¶ÎÔÚͼÖеÄÊý¾Ý£¬¼´¿ÉÇó³öÔÚÕâ¸ö¶ÎÖеÄѧÉúÊý£®
£¨3£©±¾ÌâÐèÏȸù¾ÝµÚËÄ¡¢µÚÎå×éµÄѧÉú×ÜÊý£¬ÔÙ¸ù¾ÝËæ»úÌôÑ¡2Ãû²Î¼ÓÌá¸ß°à£¬¼´¿ÉÇó³öµÚÎå×éµÄ¸ÅÂÊ£®
½â´ð£º½â£º£¨1£©µÚËÄ×éµÄƵÊýΪ£º
50-2-10-15-20=3£»
£¨2£©¹À¼Æ¸ÃΪ´Î³õÈü³ÉÔÚ60¡«69Êý¶ÎµÄѧÉúÔ¼ÓÐ
¡Á200=80£¨Ãû£©
£¨3£©ÌôÑ¡µÄ2ÃûѧÉúµÄ³õÈü³É¼¨Ç¡ºÃ¶¼ÔÚµÚÎå×éµÄ¸ÅÂÊΪ
2¡Â(
¡Á200)=
£»
¹Ê´ð°¸Îª£º3£¬80
50-2-10-15-20=3£»
£¨2£©¹À¼Æ¸ÃΪ´Î³õÈü³ÉÔÚ60¡«69Êý¶ÎµÄѧÉúÔ¼ÓÐ
20 |
50 |
£¨3£©ÌôÑ¡µÄ2ÃûѧÉúµÄ³õÈü³É¼¨Ç¡ºÃ¶¼ÔÚµÚÎå×éµÄ¸ÅÂÊΪ
2¡Â(
3+2 |
50 |
1 |
10 |
¹Ê´ð°¸Îª£º3£¬80
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÁËƵÊý£¨ÂÊ£©·Ö²¼Ö±·½Í¼£¬ÔÚ½âÌâʱ±ØÐëÈÏÕæ¹Û²ì¡¢·ÖÎö¡¢Ñо¿Í³¼Æͼ£¬²ÅÄÜ×÷³öÕýÈ·µÄÅжϺͽâ¾öÎÊÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿