2021-2022学年湖北省武汉市武昌区部分学校八年级(上)期中数学试卷

学年湖省武汉市昌区部分校八年级一学期期中数学试卷注意事项：1答题，考生务必试题卷、题卡规定置填写本人准考证号、姓名等信息．考生要认真核答题卡上贴的条形的“准考证号、姓名”与考生本人考证号、姓名是否一．2选择每小题选出案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，如改动，用橡皮干净后，选涂其他案标号．非选择题答案用毫黑色墨水签字笔在答题卡相应位置写作答，试题卷上答题无效．3作图先使用2B铅笔画出，确定后必须用0.5毫米黑墨水签字笔黑．一选题共10小题）A

B

C

DA34B236567D4cm10A18B24CD1824ABCD

ASASBD140A6

B7

C8

DA10B2001C201060D+E+F+A

B240

C

D93A906050D10AB913MBCADMFADCFA121110D9二填题每题3分，分11P23x1213A80BDC

21222122146EK+KE15KABCAKBBKCCKA45KAKBKC16OBOBAA8282OB

1OBAAAAAAA三解题共8小，共72分）17ABCDBCDEABF40D18FBCBECFDBCDE

11DC19l

l

PA20ABCAKBKKDD，216ABCBC1BSC2KCKABC3

AC

GAGB

22ACAB45SS

1111132+S23DNMDN1201MAB2ABBMBNABCBC3MAB+CNADM24AaB0Faby12CABBDCOD45BDCD3EKEKFKFEEFKBKKEEA

参考答案一选题每题3分，分A

B

C

DABCDA34B236567DA7B5C5+611D1+23C4cm10A18B24CD182444410cm104cm10①4cm104+4②cm

+10+10cm24ABCDABCDDASASBDONOCCNOMCMCNMOCMOCC

140A6

B7

C8

D140A10B2001C201010200160D+E+F+A

B240

C

D+EACGFD+E+FGABD+ACG+ACBACG+，ABD+ACGA+ACB+A180DEABDFD+++ACGABDACB+ABD+ACGAACB+

D++180+A18093A906050D3+3+a+6a+92a+9a9AWBNCDDEDFa+3HFMGMNMWa+9NW+AWa+92a+CD+DF++MNaa+3++3+a+6++97a+2763+2790

10AB913MBCADMFADCFA121110D9BFMBAMFGFCMASAT31GCFAFAGCF13BG9+xxx2BACFMMFGMBMCMCTBMFCM

FCMASACFBTCF3TADFM21ADBAC1TBGBTCF3GAGAFAGAFx13BG9+x13xx2CF13二填题每题3分，分11P23xx3x2312

13A80BDC

160AD+ACBADABC+BAC180+ACBBAC180DABACDADBDADBADABDCADBA+DCA+DAC80+DCBABC+DBA+DCA20+DCBBDK+KE

CBDAK+CDCDABCDCCCKAKEKCEABCDCDKA

15KABCAKBBKCCKA45KAKBKC

23

ABK60KDKAKBBKCCKA34DKCCDKB60BDCKD

21222122BDKKACDKDKAKBAKBBKCCKA45AKBBKC+CKAAKBBKC12060AKBBDK9030180306090KBKC13316OBOBAA8282OB

1OBAAAAAAA

MN59AOA49064AOB82890286AOB7489039668582n510三解题共8小，共72分）17ABCDBCDEABF40DDFCFD50ACBD+CFD4595

18FBCBECFDBCDEDCBECFBFABFBE+EFBFABFDCEDCE19l

l

PAlPAPBlBC

l

++PAPB

20ABCAKBKKDD，KEABEACAKEAEBEBDCDCFKEEAKBACKEABKFACKEeq\o\ac(△,Rt)AKEeq\o\ac(△,Rt)AKEAFBDCDCFAE+CFBECFDBCD216ABCBC

1BSC2KCKABC3

AC

GAGB

2CQABKCK3QBQBQGG1S2CK3G

111ABM1ABM1111ABM1ABM1ABM1ABM22ACAB45SS132+SBM4xABBMACx21ABDMBMDMS

1

2ABENANENS

2

S

1AB3535DMCMADMC90ADAC3BM4xABACDMBM3xxDM2BC341xx3x2ADMC90ABACDMBMDM43

121121DMxDM

xxBC4xANxABENBCANBCx3ENxENENS26

xx

+

26x126223DNMDN1201MAB2ABBMBNABCBC3MAB+CNADMDEABDCNDEMASADM2DEMCNBNBMBC3DEBCABEDHDHHDMAMD451DE

BCABACB60DADDEBCAEDDEADDEMDNEDCCDNDEMDCNDEMDNDM2ABE1DEMDCNEM

BMBC+CN+BE+BEBC3ABDHH1EMCNDABD30BDDHDHAHEHAMCNBDAH++2EH+DHDHHDMAAMD1807524AaB0Faby12CABBDCOD45BDCD3EKEKFKFEEFKBKKEEA

a2222OAEOBDODAEEOCSAS31a2OA22CDBD+OODBCBOD+AOE+DOA90BODAOEOBAOAEOBDOBDOAE

OBDOAEASAODOEBDAEBD+CEDOCEOCCDBDAC34545①EK