河北省张家口市2018年中考第一次模拟考试数学试题（含解析）

!!" ;,<./0'()* !! # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # !!!!!!!!!!!!!!!!!! !! ! "#$ " % "' & # ' $ "#$ ! !"#' $* &# "$ &$' &# " +&# ( ( ) $$ &$* &# " +&# # ( " ' "' ( - *+&#,-./ %012 " 3$41567#89:. # !- !"/: " � 5#-* �*+ !!!# ,-5# .-5( /-' 1-5# $ # "- b_ö±*TU0�ë!ô4�è`/ " !"IJ*+ !!!# ,-"'(-*( 5 "'(! ¬J¿-¨ # .-#-%'" 5 #-%'! ¬J¿µ^¨ # /-'-'#( " 5 '-'! ¬J¿ '-$# 1-'-'$( % 5 '-'$"! ¬J¿ '-''' $# #- a# "$% * &3" % $ 30'8"%& ]^% $%@" 8% # 3 !!!# ! E ( F # ,-('8 .-(*8 /-0'8 1-$$'8 $- !"�é: " IJ*+ !!!# ,-'4'3' # .-!'5$# # 3' # 5$ /-5',! 5'# # 35' ( 1- ' # 4$ ' 3'4$ %- a# " � K9 ' $%& : " % $3**8#2>" % %3 !!!# ! E * F # ,-(*8#2N .-(*8($N /-("8#2N 1-("8($N &- @�ûF & Ô 6=+" 8 6 # =+ # '" !" 6"+ *& " âV� Y-ûF+ìûF*+ !!!# ,-63$"+ 3# .-63'"+ 3# /-635$"+ 3# 1-635#"+ 3# '- a# " �1 5 : "5$ & %&" % $5%3*'8" 8% $3&3 !!!# ! E 0 F # ,-#*8 .-('8 /-"'8 1-*'8 (- �ý7 % *I«$0�7 *" !"ö÷ $$ *+ !!!# ,-* # 3% .-* @# /-* 5( =' 1-* +^/ )- Ô 65'3#"+ 4.3(" 8 !65+# 5!'4.# 3 !!!# ,-5$ .-$ /-* 1-5* !*- ,=/v #"("*"*"*"%"2- Ô�Ï,-/v *" 8!" ÞØm: " K\HÞ*+ !!!# ,- ]©/ .- þ/ /- :¨/ 1- «¬ !!-& 3V}~`,0_*,X " S,-`r�}~` ' * QRS#Vïa! ( }~ ( a# $" % $5% < 5$ _,X &! US ( ,-`r�% $5%" úÎ *ûX7 &" ,07 &$! S4 ( a# #" !$# � 5$ _�,X 3!53= 5&#" .X 5 7�ø "53 �7� �Z� " � 5% �X @) !## .X & 7�ø "53 �7� �Z� " � &$ �X A" .X A 7�ø "3@ �7��Z � " <���X E) !(# S�D &E! 8% E&$ 9+ðUS*` ! ÄS#*}v:j�& !!!# ,- K0^�qr*<-K`$¶r .- ¶rK`$*@M`qr /- <CD]¾k¨`qr 1- <XJ(,ZCD !"- &K-I«P½¾ " à,¾*»�pk_jk*/o " K-*k4´¶qk " sQÎõ�z>a#ð6*¨ �STãä/o " @�*/o+ !!!# ! E $# F # ,-% .-( /-# 1-$ !#- a# " �I«$×Í $%&3 _ "@ + $3 _,X ! jªX $"3 üÝ #" G×Í* %@ ,^ " úX $ ¤�X $> º " - � @$> � &3 �X A" 8% @%A3 !!!# ! E $( F # ,-"'8 .-"*8 /-*'8 1- j+( # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # & !$- í_f´è$/7=Ý/2*î­ " Î+:"�ï@ áU*¼Bðñu, " Î+�,-I«$«X: " à- �«X±©&jk*/ " ��,°¾ $ ,±"�@`