2022年山东省济宁市中考数学真题（含答案）

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10•.•AᙠBḄ¡¢AḄᙶ᪗k(1+஻0),BḄᙶ᪗k(-3+",0).•CḄᙶ᪗k(0,-/+2”+3),.n+\=-rr+2n+3.@஻=2ᡈ஻=-1(¥¦)..................-..........................6ᑖ(3)ᵫ(2)FGᱥC2Ḅ᪆¨k.©=஺-1ª+4.•••AḄᙶ᪗k(3,0),BḄᙶ᪗k(-1,0)CḄᙶ᪗k(0,3),஺Ḅᙶ᪗k(1,4),-------------------------------------------------7ᑖᱥC2Ḅ«¬PlX=1.:EfCᐵlx=l«¬.•.EḄᙶ᪗k(2,3)....GḄᙶ᪗k(1,3).olBE᪆¨ky=kx+h,.-k+b=Q,"[2k+b=3.k=1,.y=x+l.-----------------------------------------------------------------------------------------------------8ᑖ|x=l}y=l+l=2.eḄᙶ᪗k(1,2)..•.FG=EG=£>G=CG=1....®¯cCQEFkbc.°CEJ_O±.®¯cCDEFk²³c.-------------------------------------9ᑖ22.(1)ᡈ((),2)---------------------------------------------------------------------------2ᑖ(2)জo஺Ḅᙶ᪗k(0,a),ᑣ஺஺=a,CD=-a.Pµ¯¶cZAOB=NOBA=ZBAO=60,ZCOA=90°-ZAOB=90-60°=30C4ᙠRt\AOC4tanZCOA=——...............................................................3ᑖOCC4=OCtanNCQA=GX3=104=2C4=2.3•AD±DM,.ZADC+ZODM=90.•••NCAD+/ADC=90:.ZCAD=NODM.•••/ACD=NDOM=90:.MC*NDOM

11CDACy/3-a1nn——=——.ᓽ------=--------------------------------------------------------------5ᑖOMDOmam=—cr+=I—a-2---J--H—4.•|—2}ºḄᨬᜧ¼k4..•.ºḄᨬᜧ¼k3}஺ᙶ᪗ko,½6ᑖ4I2Jঝ¿ᙠÀ᪵Ḅm¼BE=BF.//..•.AC஻P/)஻FH஻x.AECDOHOF~EF~~DH'~DH~~EF'BF=BE,.NBEF=NBFE.NBEA+/BEF=180,NBFO+/BFE=180,NBEA=NBFOJNBAE=NBOF=60,\BEAsABFO(AAS)..AE=FO.OHCDJ..CD=HO.~DHDHo0஺=஻,ᑣD”=OC-CD-OH=2n-y/3,WF=HOtan3007ᑖZCAD=/ODM/ACD=NDHF=90\?.\ACD^\DHF.HDHF2஻-G—2^23------.@ᡈ஻=----8ᑖ"TA-CD"-Fy/3-n3|஻=Ç}PfAÈᔠÊᔠ⚪y¥¦஺2.•.¿ᙠÀ᪵Ḅº¼ËBE=BF.Ì}Í=10ᑖ3

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