2021-2022学年湖北省武汉市硚口区部分学校九年级（上）月考数学试卷（12月份）（附答案详解）

《2021-2022学年湖北省武汉市硚口区部分学校九年级（上）月考数学试卷（12月份）（附答案详解）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

2021-2022
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+fghᓄḄjk+l⚪hᓄmVW+nopqH&⚪Ḅᐵr+st=ὃuὃ⚪v.22.ூᫀ௃:(1)᪷P⚪wAy=500-10(%-50)=1000-10x(50

15yz10<0,:.x=65}+/⁎ᜧ=12250,Cmᐗ}+ᨴᑭWᨬᜧ+ᨬᜧᨴᑭ&12250ᐗ3(3)CW=11250}+-10/+i300x-30000=11250,AXi=75,ᑐ2=55,v1000-10%>300,•x<70,xḄ&55<%<70.ூ᪆௃(1)᪷P⚪wAUᨴ├my=500-10(x-50)3(2)᪷Pᑭm(x-30)ᐗ+ᓽKAUᨴ├ᑭW(ᐗ)0x(ᐗ/)Ḅᦪᐵ+N¡ᦪḄឋ\KAᨬᜧ3(3)᪷P⚪wᑡzᐗ¡VWN¢ᔠ¡ᦪḄឋ\KAᫀ.X⚪ὃZ¤¡ᦪḄ᪆Ḅ¥c¦§¨ᵨ3᪷P⚪wAUy0xḄᦪᐵ&⚪Ḅᐵr.23.ூᫀ௃(1)ªUAPஹPD,᝞6:AP1PD,AP=WPD,ᳮᵫ᝞®¯஺P°G,²PG=PD,BGஹAGஹAD,vDE=DC,DEC=Z.ECD=Z.ECA=30°,•••DE//AC■&PG=PD,PB=PE,•••!"BCEG&'(!",•••BG//DE//AC,•••Z-ABG=Z.BAC=Z.ACD,BG=ED=CD,ᙠ^ABG^L4CD=fBG=CDZ-ABG=4ACD,AB=AC)16⚓+ᐳ20⚓

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M,NḄᚖᚖᑖC,D,ᵫAABNḄ☢aABM☢Ḅ33"4ND=3MC.P8(-2,2)ᐭ᪆3K4᪆:y=kx+2k+2,ὶSK4MTNḄUᙶ᪗VSWX3K4YḄ'.Z⚪[⌕ὃ^_FG,ᦪḄ᪆ḄK`TabcdCDᔠḄeᔠfḄgh.⌕iᑭᵨᦪCDᔠḄlmnᦪTbcdCDᔠoᩭᵫ☢ᐵrsᓄuvwḄᐵr⚪ᐵx.y20⚓ᐳ20⚓