2021-2022学年山东省枣庄市滕州市八年级（上）第一次月考数学试卷（附答案详解）

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2021-2022
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14:.x=12,ᓽPᙠA12ᓟᜐ.ூ᪆௃᪷mr8,C}᩟ᑮPḄ/◤⌕^_BP=PC,2᪷mnopᳮ9ᓽ8.⚪⌕ὃPQnopᳮḄᵨ/᪷mnopᳮ9Z⚪Ḅᐵ\.24.ூ9ᫀ௃`(1)2a+3Ḅ᪷Z3,•1-2a+3=27,ra=12,■-a+b-1Ḅ6᪷Z4,a+b—1=16,rb=5,V3%(2(ÄBC=y/BD2-CD2=ஹ48—12=V36=6½BCkḄc¾AE¿8cÀ,CE=\BC^AE,•:NC=90°,.•.ᙠc/᪷mnopᳮr:AC2=AE2-CE2,

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