山东省临沂市2018年中考数学试题（真题解析）

'("#$!% !fg.%&'()* !! # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # !!!!!!!!!!!!!!!!!! m!! ! "#$ ! % "# & # ' $ "#$ ! !"#' $" %&# " +&# ( ( " ' "# ( # * +&#v,-./%012 " 3$41567#89 :. !! �«/ 5(" 5$"'"$ : " í�*/+ !!!# ,-5( .-5$ /-' 1-$ "! ñ #'$( S $' ÚBè]�_3¡õ & ¬I\� ' *üT� n.· " »�ýßMç¬I\� ! �B§\Ú� " ¶Ñ� �áõ/jäÓ� " ' #'$0 SWѼt*�Páõ9� è $ $'' Aá " G $ $'' Aá0123/4567 !!!# ,-$!$ +$' ( á .-$!$ +$' 0 á /-$!$ +$' ) á 1-$$ +$' % á #! a# "$% * &3" % 33"#)" % &%$3%")" 8% &%3 *� /+ !!!# ! E ( F # ,-"#) .-%") /-0") 1-$'%) $! ,Bî~«ï . # 5.5 ( " 3' h«î7Þ7 !!!# ,- .4 )$ # # 3$ .- .5( )$ # # 3$ /- .4( )$ # # 3 ( " 1- .5( )$ # # 3 ( " %! jrÏ= $ 5#'=(" '4$ # ( { # *I./�*-/+ !!!# ,-* .-" /-( 1-# &! a# " J0D[ %@ ´mä¹n*¦� ! }~D[ @% ¦ $!# 7" ´¥ $%3$!% 7"%&3$#!" 7" 8ä¹n &3 *¦+ !!!# ,-2!( 7 .-$'!* 7 /-$#!" 7 1-$" 7 ! E % F # !!!! ! E 0 F # '! a#+,-NOP*KL# ! #:Q�§¨ (67#! Èv #:ð6/vU¥Y-NOP*²�ý+ !!!# ,-$# 67 # .-!$# 4 ) #67 # /-% ) 67 # 1-) ) 67 # (!#'$) S³G|:2µ�]«¬µS�� ! TUàÙ2\� n% $ Þ2 $ K-21:� ¡�,1g�´� " �" <�àp¡¿n%21*pq+ !!!# ,- $ ( .- $ " /- $ % 1- $ 2 )! !5+³$Y ^Ú�ô*vº ( Ú�ô : B "* ''' $) ''' $' ''' * *'' * ''' ( "'' ( ('' $ ''' á/ $ $ $ ( % $ $$ $ â¶,vB$Y¶P ^Ú�ô�]*ÞØm+ !!!# ,- ]©/<þ/ .- ]©/<:¨/ /- :¨/<þ/ 1- ]©/<«¬ !*! Òâ¼Û�a8�â " �·�b¿.!r*�K ! »i >uqÂùzG� " ,Û�$Y3y³>uÒâ¼Û � " �Sy?�Ã7 * ''' AB " gS $ &* ÚÛ " à� �*y?@X��Sìw $ AB " y?/mª�S, .S*qk " y?�Ã��S,.S*t #'=! gS $ &* ÚÛà��*y?@X+/tAB + ×gS $ & * ÚÛà��*y?@X7 ' AB ! ÈvF� " "«ï IJ*+ !!!# ,- * ''' '4$ 3 * '''!$ 5#'=# ' .- * ''' '4$ 3 * '''!$ 4#'=# ' /- * ''' '5$ 3 * '''!$ 5#'=# ' 1- * ''' '5$ 3 * '''!$ 4#'=# ' !!! a# " % $&%32')"$&3%&"$3 & &@"%@ & &@" [�^ �+X 3"@"$33("%@3$" 8 3@ *�+ !!!# ,- ( # 槡 槡.-# /-# # 1-$' ! E $$ F # !! ! E $# F # !"! a# " I�6�/ . $ 31 $ ' ª,�6�/ . # 3 1 # ' *#� q�� $"% <X " o:X $ *°�D7 $" � . $ =. # � "' *�&�Í+ !!!# ,-'=5$ ' '@$ .-5$ ='=' ' '@$ /-5$ ='=' ' ' ='=$ 1-'=5$ ' ' ='=$ !#! a# " X @"A"E"D ^�+�0$ $%&3 0 $%$