湖北省黄冈市部分学校2021-2022学年九年级下学期入学数学试卷（含答案解析）

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1A᜛C.Oh8ᙠ8cMvA8=C8,ᑣNCḄᦪt()A.16°B.15°C.14°D.13°7.᝞et3Ḅ;X¡!¢᪾A8C஺¤¡t¥Atᙊ48tḄᡧ¡(§ᶍ!¢Ḅ©ª)ᑣᡠḄᡧ¡AO8Ḅ☢xt()B.6C.9D.3ᐔ8.®☢¯ᙶ᪗°Fᱥ²³=᝖2_3or+c(¸0)¹²y=2x+lMᨵ»0¼½ḄhA(xb/n),B(m),C(xj,"?),᝞Ä஻=xr*2+X3,ÇÈmÉ஻Ḅᐵ°A.m=2n-3B.m=n2-3C.m=2n-5D.m=n2-5VஹÊË⚪9.ᐗVWXYgx(x-2)=5ᓄtVW⚗°ᦪt“1”ḄÑ¡Ò.10.ÓÔ☢ÕMḄᑖ×ØᨵÙῪ»¯¡ஹ®ÛÜ¡ஹÝ¡ஹÞ¡ஹᙊḄßà¡áஹᜧâã½Ḅᓱᱏ,-æçàᑣᡠæḄe¡èéêe¡ëqéêe¡Ḅᭆ᳛t.11.îï²y=-(W0)¹²y=-x+3Ḅ0ñhòᙶ᪗t-1,ᑣ஻=.x12.fgP(m+2,3)ÉQ(2,n-4)ᐵTôhéêᑣm+n=.13.fgVWmᦪ³=62+○+c(aw0)÷¤øxḄcÉùéúḄmᦪcy᝞⊤ᡠüX-10123

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10ᑖLᑁyRxḄVᦪe᪆g.(2)800IDEOᕒijklᐳnopDEq\]rqrᑖLstDEuvḄ5p>?wixDEijyJzᑖLM᎛DEḄ>?Oᦪᨬ{|{}O~23.᝞ZজᙠABCOAB=6,8c=8,EFG/7|EHBDᔠZজḄEFG”Ḽ஺⌮┐.(1)᝞ZঝGᙠBCḄGDEBCL\]ijᓽZজNC£>G=37஺EFGHFZজZঝḄᦪ.(2)᝞ZঞDEBCL.BCFG஺CEN.ᑨENஹGM¡¢Ḅᦪ£ᐵX¤¥¦§.24.᝞Z\]ᐵxḄTUVᦪy=-/+«+c(c>0)ḄZ¬Rx®AஹBo(Aᙠ8Ḅ°±)RyC,QOB=OC=3,⚔(1)³TUVᦪḄᐵXg(2)P´µ8GḄ)p¶·Pl1ḄᚖPD,ᚖ¢D0஺=m,ºCQḄ☢"S,Sᐵ®ḄVᦪᐵXg¤ᑏ³®Ḅ¼c¾(3)¿À´MBG|ᔲÂᙠP,ÃAPCDÄÅ~᝞ÆÂᙠ³PḄᙶ᪗᝞ÆÉÂᙠÊ˧ᳮᵫ.

5

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