2020年江西省中等學(xué)校中考數(shù)學(xué)模擬試卷(一)

22423222423232020年江西中等學(xué)?？紨?shù)學(xué)模擬卷（一）一選題本題小題，小分共分每題有個(gè)確選）A2B2

DA

B

C

DA2a5C）

BaaDA

B

C

D2AC

BDyyABA4yxy0ABCk8△△

A1B2C3二填題本題小題，小分共分9第1頁（共4頁）

D232112233nn12222232112233nn122223120A30750mnmnFABCDAADBcmsB2FFBCyxa1160AOA2AACACABCPABCPPDOYDPEODOEalyxM1yyylx0A0A0A0ddd三本題小，小分共分）2|32CEBCD第2頁（共4頁）10ABMNMNMBCBM5ABNBDADyAlyx2lAmBC第3頁（共4頁）四本題小，小分共分）DBDD

bABCD36DODBCDF1DF26AECEBD第4頁（共4頁）2PFcm五本題小，小分共分）y034ACBABCDDD1EFBCEFDFADF

ABGMNABDN上EFDFEFCDFCBE第5頁（共4頁）2111111111112221111111111122222212222233331123nnnnn20182019六本題分）1xyaxxxCDOBADyxbCaxxbxCOBADaxxDabCxxOBDn

y第6頁（共4頁）224232222423222322020年江西中等學(xué)?？紨?shù)學(xué)模擬卷（一）參考答案與試題解析一選題本題小題，小分共分每題有個(gè)確選）A2B22A

DA

B

C

DABA2a5C）

BaaDAaa5aaBCaBAC

BD第7頁（共4頁）2ABCDDyyABA4yxy0ABCk8m△eq\o\ac(△,S)A1

B2

C3

DxA4a42k82

3yxm0yFFCAB第8頁（共4頁）ABFABCAOFBOF33223222ABFABCAOFBOF33223222ABF△△4△△S+Smm4△△△m

二填題本題小題，小分共分

xxx+39xxx9xx+3A30750xeq\o\ac(△,Rt)BEAeq\o\ac(△,Rt)EDCx300300300mnxx0m2020xx0

0m+2019第9頁（共4頁）3323222233232222mm+2019m+2019+2019m2020+2019+2020n20192020+mxx0m+n1+202020201FABCDAADB1/2FFBCyxaDEBCFADasFBCacmADDEaDEFDBBDeq\o\ac(△,Rt)DBE

ABCD1DCeq\o\ac(△,Rt)DEC2+1

11160AOA2AACACABCPABCPPDOYDPEODOEab第0頁（共2頁）112233nn112233nnPPHOYHPDOYOXHEPXOYODeq\o\ac(△,Rt)HEPEPHEHa+2+2EH+EO2PACOHOCOA1bP1ACeq\o\ac(△,Rt)CHP30

PHCHOHCHb2+2blyxM1yyy第1頁（共2頁）12222311312222311312320lx0A0A0Add

lxblyx0111xxxx

11BBB

B

B

d

三本題小，小分共分）2|32CEBCD第2頁（共2頁）424321+ACEACB23ACBASACDCA

y8y2yx1310ABMNMNMBCBM5ABNMN2第3頁（共2頁）BABM5NGAMBGACBGBMCM+AC+MNBD26ADyAlyx2lAmBC第4頁（共2頁）xyx+53byxm22ABCDAD353xx+3+321ABE1四本題小，小分共分）DBDD

800.20ABCD36D第5頁（共2頁）a16802

36363000600200150300ODBCDFDFAB6AECEBDDFOODCADODDFODDFDF2BAD

第6頁（共2頁）BD25

eq\o\ac(△,Rt)ABPAPB9030ABcmAB5BAP60APcm

2ABPtan30

CF12

12

第7頁（共2頁）ADBCDD′DAADBCDD′DABCDD五本題小，小分共分）y034ACBABCDDDA3yxk312yA30+ny+826xy

yB6ABC3ADADBC3Dyyy0y2D3ACBDADCBADCB3Dyy420y6第8頁（共2頁）DBCADDDBCADDBCADD′36③ACDBACBD3xxx63x9″″″yyy2″″″D″92D3691EFBCEFDFADFA90ABGADFMNABDN上EFDFEFCDFCBEADFA90ABGADFABGAGDFDBADABE90ABADD90G45DAF+BAE9045BAGDAF+BAE45EAFSAS第9頁（共2頁）2222222222222EGDFBE+BGEGBE+DF2DFADFAABH2ADFABHAHDFBHADF45DAF+BAE9045+DAF+BAEEAFEAFSASEHEFDMDMBMDN+ADF+MDNADMBH

DF3ADFOEFEEMENN3ADF90OEDFEAF4590AEFEFABECBE第0頁（共2頁）211111111111222222121111111111122222212222233331123nnnnn20182019111SASCEEFEMCF2CF1NCMCMEN145EN六本題分）1xyaxxxCDOBADyxbCaxxbxCOBADaxxDaCxxOBDn

yxxb0第1頁（共2頁）121111111112111111111222122222222212222221211111111121111111112221222222222122222222222233312333333332233333333233x0xbDOABD

b200D11xx1a122yxx0x0xbDOABD

b60