2022-2023学年北京某附中九年级（上）诊断数学试卷（9月份）

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2022-2023
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2=2B.X-2
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2=-2D.e2
2=65.2ᑖfg9ᱥ;y=W+2xhiT-4,yi
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18.2ᑖ᝞LᙠX4BCZC=90°,AC=5,BC=\O.TM,Nᑖ6A,CT¡qTMTA¢£¤¥ACᔣTCt¦1%ᓫBCDḄ¨D@TNTC¢£¤CBᔣ
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ᑨᢗḄᡂᔲᑮ.26.6ᑖᙠ☢!ᙶ᪗$xOy()ᱥ+y=/+▲+c120,-2,2,-2.17ᑏ9cḄ:;)ᱥ+Ḅ<=>?2@)ᱥ+A+>=-6CᨵEᐳ2G”ḄI:KL32f,yi,r+1,ᙠ)ᱥ+QRS-2WrW4VWᨵX-YZ[7ᑏ9஺ḄI:2K.27.7ᑖ᝞_`aNM0N=a0°

5M28.(7ᑖ)2PᑮNA08Ḅ᝞?2஺o/AOBḄQḄ2SPQᨬVᡃ=VPQḄo2PᑮNAO8Ḅd(P,ZAOB).ᱯkḄS2Pᙠ/AOBḄQVd(P,/AOB)=0.ᙠ☢!ᙶ᪗$xOy(A(4,0).(1)᝞_1,@M(0,2),N(-1,0),ᑣd(M,ZAOB)=,d(MNAOB)=L(2)ᙠ0ABe(2B(4,4).জ᝞_2,@2Pᙠ+y=3x+4Qd(P,ZAOB)=2a,G2PḄᙶ᪗Lঝq)ᱥ+y=-?+4ᔣ¡k(^0)¢ᓫX¤}ᑮḄ¥)ᱥ+¦§_¨W,@2©ᙠ_¨WQRª«4(P,ZAOB)=2aḄ2PᨵR¬ᨵ¢7ᑏ9kḄI:K._3S1_2

6
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