2022-2023学年江苏连云港市中考数学专项提升仿真模拟试题（一模二模）含解析

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2022-2023
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62022-2023
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21·³ᚖ°wᜋḄl:ABḄz14Í.(2)Àᡂ¶·³☢ÄSÍ2,ᑣS=x(40-2x)=-2x2+40x=-2(x2-20x)=-2(x2-20x+102)+2X102=-2(x-10)2+200,V-2(x-10)2W0,méx=10D,SᨵÎ200.ᓽ·³ᚖ°wᜋḄl:ABḄz10ÍDÀᡂ¶·³☢ÄÎ200Í2.êë⚪ὃìílᐗmÞ[6mÞÚᦪḄï▭Æᵨ.⚪Ḅᐵñ,ᳮ⚪~J᪷Ó⚪~ᑡ`lᐗmÞ[6mÞÚᦪ᪆Ý.24.᝞WCᙠAB°òḄ஺0PAD6CḄᑗtᚖ°ᚖôD.(1)cACsᑖ/DAB(2)cAC2=AD«AB84(3)ÃAD=—,si=-,ctøBCḄz.3ூᫀ௃(1)k᪆(2)k᪆(3)2ூ௃ᑖ᪆(1)ùú஺C,ᵫ஺N=OC^ÔᑮNQ4C=NOC4`/O஻0C,ᵫs§tḄឋ8`ND4C=NOC4,ᓽ^Ô`./(2)ᵫᙊᕜ$5ᳮ`NNC8=90°=4OC,A/DCSA/CB,Ô`ÿ
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23AC2225AB=--------=-T———9••AD25ᙠRtZ\ABC08C=Jᨴ5?-L஺2=(.2NO8P⚪RCSᔠ⚪UVᙊXᦪSᔠឋZ[\]Zᜧ_`aSᔠbᵨde⌕)Zg.25.᝞@1,ᙠhABCD0AB=6cm,BC=8cm,EஹFᑖjkABஹBDḄ0N<=EF,NPlNEmnEFoᔣᒴrbsr]Hlcm/s,tuNQlNDmnDBoᔣᒴrbsr]H2cm/s,vNPwxbsuNQywxbs.<=PQ,zbsu{Ht(0

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26E4-t-519+—___-6,Sᡠ±=1ᡈ3ᡈ²ᡈᐝuP0RkῪ.26.᝞@µ¶·¸XᦪḄ@¹NA(3,3)ஹB(4,0)»¼N0.PH·¸Xᦪ@¹Ḅ(½sNNPx¿ḄᚖᚖHD(m,0),ÂÃIOAÅCNC.(1))IOA»·¸XᦪḄ7᪆Æ(2)vNPᙠIOAḄouজvPCḄ5u)NPḄᙶ᪗ঝvSAPCO=S,\CDOu)NPḄᙶ᪗.ூ67௃⚪ᑖ᪆8(1)zy=ax(x-4),Í4Nᙶ᪗Îᐭᓽ)·¸Xᦪ7᪆Æ.zIOAḄ7᪆ÆÍNAᙶ᪗Îᐭᓽ.(2)জ᪷ÑNḄᙶ᪗)PC=-m2+3m,ᓄᡂ⚔NÆᓽ)®CḄঝ᪷ÑNḄᙶ᪗zN®»N஺Ḅᙶ᪗⊤B®C»C஺Ḅ5]⌕ÕLᵪ஺=5.80ᑣ+27⚓/.54⚓

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282022-2023
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342022-2023
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