2021-2022学年江西省余干中考数学四模试卷含解析及点睛

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2[☢ᑁ\]ABḄ*᪆
':=kx+b\]CDḄ*᪆
':y=kx+b[x222পAB//CD,ᑣᨵ:=%2:2
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502
4203
P=JOூ*᪆௃⚪ᑖ᪆k
1
✌ᐜ᪷⚪6Dkx{zᐳ¡¢£¤¥¦§¨©ᦪ'k2H40%=50ªZᑣCD«¬®ᦪ'k50-4-8-20-14=4ªZᓽC⊡ᐰ±²|;2
ᵫ⚪6CD130145ᑖᡠᓰ´µF¶ᫀZ
3
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1
᪷⚪6Dkx{zᐳ¡¢£¤¥¦§¨©ᦪ'k204-40%=50ªZᑣ«¬®ᦪ'k50-4-8-20-14=4ª;2
᪷⚪6DkὃᡂÃÄ'“B”Ḅ¨©ᜧᨵjxl600=448ª,50

18·ὃ¸ᡂ¹º“B”Ḅ»dᜧ½ᨵ448¾;(3)À᪛ÂÃ=ÄÅÈÉ᝕᝕ᵱ/Ax/AxÈÊÉ᝕᝕᝕ᵱ᝕᝕᝕ᵱ᝕᝕᝕ᵱ᝕᝕᝕ᵱ.ᐳᨵ16ÌU"ÍḄÎÏ+ᡠ⌱о»dÑÒ?¾᝕d4¾ᵱdḄᨵ8ÌÓÔ+Q1...ᡠ⌱о»dÑÒ?¾᝕d4¾ᵱdḄᭆ᳛—162ὃ1ஹ᪛ÂÃ&×ᑡ⊤&3ᭆ᳛Ḅ_Ú+2ஹZÛÃ×ᡧGÝOÃḄ_ÚÞß⚣R24ஹ(1)8᪆:(1)0Oá[ூ᪆௃(1);

19(1),BD.஺OḄ\Ç:.ZBAD=90°.VZ3=90°,NBAD=N3.ÈN1=N2,.,.
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