ÄÚÈÝ·¢²¼¸üÐÂʱ¼ä : 2025/8/2 15:18:25ÐÇÆÚÒ» ÏÂÃæÊÇÎÄÕµÄÈ«²¿ÄÚÈÝÇëÈÏÕæÔĶÁ¡£
12£®ÊýÖáÉÏ£¬ÔÚÔµã×ó±ßÇÒÀëÔµã3¸öµ¥Î»³¤¶ÈµÄµã±íʾµÄÊýÊÇ______£®
13£®ÔÂÇò±íÃæÎ¶ÈÖÐÎçÊÇ1010¡æ£¬°ëÒ¹ÊÇ-153¡æ£¬ÔòÖÐÎçµÄζȱȰëÒ¹¸ß________¡æ£® 14£®Ò»¸ö³¤·½ÐεÄÒ»±ßΪ3a£«4b£¬ÁíÒ»±ßΪa£«b£¬ÄÇôÕâ¸ö³¤·½ÐεÄÖܳ¤Îª__________£® 15.°´ÕÕÏÂÁгÌÐò¼ÆËãµ±x=-3ʱ£¬Êä³öֵΪ_________£®
16.Ò»×éÊý¾Ý°´ÈçÏÂÅÅÁУºµÚ21ÐеÚ1¸öÊýÊÇ______£®
Èý¡¢½â´ðÌ⣨¹²¼Æ72·Ö£© 17.£¨±¾ÌâÂú·Ö10·Ö£©¼ÆË㣺
£¨1£©£¨£3£©+40+£¨£32£©+£¨£8£© £¨2£© 6¡Â(£
18.£¨±¾ÌâÂú·Ö10·Ö£©¼ÆË㣺 £¨1£©£¨
ÊäÈëx ¡Á5 +(-2) ¡Á2 Êä³ö? 35)¡Á
53
11571002 +££©¡Á£¨£36£© £¨2£©??1????3???3??
?26126?19.£¨±¾ÌâÂú·Ö8·Ö£©ºÏ²¢Í¬ÀàÏ
£¨1£©4x??x?3y? £¨2£©(5a2?2b2)?4(a2?4b2)
20.£¨±¾ÌâÂú·Ö6·Ö£©ÏÈ»¯¼ò£¬ÔÙÇóÖµ£º5(3a
21£®£¨±¾ÌâÂú·Ö8·Ö£©ÔÚС·½¸ñÖ½Éϰ´ÏÂÃæµÄ·½Ê½Í¿É«¡£
2b?2ab2)?4(?2ab2?3a2b) £¬ÆäÖÐa??2£¬b?1.
¢Ù ¢Ú ¢Û ¢Ü £¨1£©Ìî±í£º
£¨2£©ÏñÕâÑù£¬µÚ n ¸öͼÐÎҪͿɫµÄС·½¸ñÊýÊÇ__________£¬µÚ100¸öͼÐÎҪͿɫµÄС·½¸ñÊýÊÇ____________
ͼÐαàºÅ ͿɫµÄС·½¸ñÊý ¢Ù ¢Ú ¢Û ¢Ü ¢Ý ¢Þ
22£®£¨±¾ÌâÂú·Ö6·Ö£©µ±x£½1ʱ£¬´úÊýʽpx3£«qx£«1µÄֵΪ2017£®Ç󣺵±x£½£1ʱ£¬´úÊýʽpx3£«qx£«1µÄֵΪ¶àÉÙ£¿
23£®£¨±¾ÌâÂú·Ö8·Ö£©¡°¹úÇì»Æ½ðÖÜ¡±µÄijÌìÏÂÎ磬³ö×⳵˾»úСÕŵĿÍÔË·ÏßÊÇÔÚ¶«Î÷×ßÏòµÄºÍƽ·ÉÏ£¬Èç¹û¹æ¶¨Ïò¶«ÎªÕý¡¢ÏòÎ÷Ϊ¸º£¬ËûÕâÌìÏÂÎçÐгµÀï³Ì£¨µ¥Î»£ºÇ§Ã×£©ÈçÏ£º +3¡¢+10¡¢-5¡¢+6¡¢-4¡¢-3¡¢+12¡¢-8¡¢-6¡¢+7¡¢-21. (1)ÇóÊÕ¹¤Ê±Ð¡ÕžàÀëÏÂÎç³ö³µÊ±µÄ³ö·¢µã¶àÔ¶£¿
(2)ÈôÆû³µºÄÓÍÁ¿Îª0.2L/km£¬ÕâÌìÏÂÎçСÕŹ²ºÄÓͶàÉÙÉý£¿
24£®£¨±¾ÌâÂú·Ö8·Ö£©£¨1£©ÔÚÏÂÁкáÏßÉÏÓú¬ÓÐa£¬bµÄ´úÊýʽ±íʾÏàӦͼÐεÄÃæ»ý£®
¢Ù ¢Ú ¢Û ¢Ü £¨2£©Í¨¹ýƴͼ£¬Äã·¢ÏÖǰÈý¸öͼÐεÄÃæ»ýÓëµÚËĸöͼÐÎÃæ»ýÖ®¼äÓÐʲô¹ØÏµ£¿ÇëÓÃÊýѧʽ×Ó±íʾ£º £»
£¨3£©ÀûÓã¨2£©µÄ½áÂÛ¼ÆËã99992£«2¡Á9999¡Á1£«1µÄÖµ£® £®£®£®£®£®£®£®£®
25£®£¨±¾ÌâÂú·Ö8·Ö£©ÔĶÁÏÂÃæ²ÄÁÏ£ºµãA¡¢BÔÚÊýÖáÉÏ·Ö±ð±íʾʵÊýa¡¢b£¬A¡¢BÁ½µãÖ®¼äµÄ¾àÀë±íʾΪ¨OAB¨O£® µ±A¡¢BÁ½µãÖÐÓÐÒ»µãÔÚÔµãʱ£¬²»·ÁÉèµãAÔÚԵ㣮 Èçͼ1£¬¨OAB¨O£½¨OOB¨O£½¨Ob¨O£½¨Oa-b¨O£» µ±A¡¢BÁ½µã¶¼²»ÔÚÔµãʱ£¬ Èçͼ2£¬µãA¡¢B¶¼ÔÚÔµãµÄÓÒ±ß
¨OAB¨O=¨OOB¨O-¨OOA¨O=¨Ob¨O-¨Oa¨O=b-a=¨Oa-b¨O£» Èçͼ3£¬µãA¡¢B¶¼ÔÚÔµãµÄ×ó±ß£¬
¨OAB¨O£½¨OOB¨O£¨OOA¨O£½¨Ob¨O-¨Oa¨O=£b-£¨-a£©=¨Oa-b¨O£» Èçͼ4£¬µãA¡¢BÔÚÔµãµÄÁ½±ß£¬
¨OAB¨O£½¨OOB¨O+¨OOA¨O£½¨Oa¨O+¨Ob¨O= a +£¨-b£©=¨Oa-b¨O£»
O(A)
? 0 O ? 0
A ? a
B ? b B ? b
B ? b B ? b
A ? a
A ? a O ? 0
ͼ1
ͼ3
ͼ2
O ? 0 ͼ4
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÊýÖáÉϱíʾ2ºÍ5µÄÁ½µãÖ®¼äµÄ¾àÀëÊÇ_________,ÊýÖáÉϱíʾ£2ºÍ£5µÄÁ½µãÖ®¼äµÄ¾àÀëÊÇ_________,ÊýÖáÉϱíʾ1ºÍ£3µÄÁ½µãÖ®¼äµÄ¾àÀëÊÇ_______£»
£¨2£©ÊýÖáÉϱíʾxºÍ£1µÄÁ½µãAºÍBÖ®¼äµÄ¾àÀëÊÇ___________,Èç¹û¨OAB¨O£½2£¬ÄÇôxΪ____________£» £¨3£©µ±´úÊýʽ¨Ox+1¨O+¨Ox-2¨OÈ¡×îСֵʱ£¬ÏàÓ¦µÄxµÄȡֵ·¶Î§ÊÇ .