华师版七年级下册数学期末考试试卷抽考卷 - 百度文库

2013괺꼶ĩѧƲο

һѡ⣨ѡÿС3֣21֣

. ⣨ÿС4֣40֣

?x?2?8. x?4 9. ?a?㣻 12. ?y?3 13. 15

?z?6?14. 12 16. 9 ;86. ⣨89֣

18̣ⷽ飩ÿС6֣12֣ (1) x5 (2) ??x?6

?y?319ⲻʽ飩ǵĽ⼯ϱʾÿС6֣12֣ (1) x? 2 4 ⼯ϱʾ 6 2??x??3 2 ʽĽ⼯Ϊ?5?x??3 4

?x??5⼯ϱʾ 6

201A=50 3֣

2BPƽ֡ABCPBC=40 5

CPƽ֡ACBPCB=25 7 BPC =115 8

21ȷһͼ 4 8 22ȷһͼ 4 8 23һx˵ڶ飬 1

з̣x?22?2(26?x) 4 x?10 7

𣺵һӦ10˵ڶ. 8 2412 3

20?t?2ʱS=2t 5

2?t?10ʱS=4 6

10?t?12ʱS=212-t 7 t?12ʱS=0 8

25⣺1 ABּƷļ۸ֱΪxԪyԪ

?8x?3y?95?x?10 1 ? 2 ?5x?6y?80y?5??ABּƷļ۸ֱΪ10Ԫ5Ԫ 3 2蹺AּƷtBּƷ100-t

750?5t?500?764 4 50?t?5

5

tΪt505152 6 ַ

һַAּƷ50BּƷ50 ڶַAּƷ51BּƷ49 ַAּƷ52BּƷ48 7 3һַ̼ҿɻ250Ԫ 8

ڶַ̼ҿɻ245+2aԪ

ַ̼ҿɻ240+4aԪ 9

264 aʱַͬ 10 0?a<ʱһ 11

FDC=F=30 4 תĽǶΪ30 5

ڡABCУA AGBC,ΪG B=C=GAC=GAB=45 AG=

1BC 7 2ڡDEFУD DHEF,ΪH SDEF= BC=DF AG=DH

111EDDF=EFDH DH=DF 9 222AEF. 10 ڡFDC=45 DEAC 11 ABDF 12 FDC=75 EFAB 13

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