ʡǨʵѧУ2017пѧģԾ
һѡ
1. 2෴ǣ
A . 2 B . C . D . 2
2. ѧУΪ־Ըߡһʱ107000˱107000ÿѧʾΪ
A . 10.7104 B . 1.07105 C . 0.107106 D . 1.07106
3. ͼʾRtABCֱDZABתһܣüͼΪ
A . B . C . D .
4. ͼABCDDECE1=34㣬DCEĶΪ
A . 34 B . 54 C . 66 D . 56
5. ͼ?ABCDĶԽACBDཻڵOAC+BD=16CD=6ABOܳǣ
A . 10 B . 14 C . 20 D . 22
6. ͼAΪϦһ㣬ACBCڵCCDABڵD߶αȱʾcosֵǣ
A . B . C . D .
7. ƽֱϵxOyУPǣ2m21mʾʵPڣ
A . һ B . ڶ C . D .
8. ͼһκy1=xκy2=ax2+bx+cͼཻPQ㣬y=ax2+b1x+cͼǣ
A . B . C . D .
9. ֽʽa2bb3=________
10. ֪εı߳Ϊ2Բİ뾶Ϊ________11. ں УԱxȡֵΧ________ .
12. һԲĵ뾶Ϊ5cmչͼԲĽΪ120㣬Բĸ߳________cm13. =3kֵΪ________
14. ͼABCDĶԽ߾ԭ㣬߷ֱƽᣬCڷy=
Ϊ23kֵΪ________
ͼϣA
15. ͼABCDı߳Ϊ10AG=CH=8BG=DH=6GH߶GHijΪ________
16. ͼRtABCУB=90㣬sinBAC= DACһ㣬BC=BD=2RtABCƵCתRtFECλãʹEBDϣAFBDڵGAGijΪ________
17. 㣺|1
|+3tan30㩁
50 1 ?
a=2017
18. Ȼֵa+1
19. ֪xһԪηx22x+m1=01 ʵʵmȡֵΧ
2 ʵΪx1x24x1+3x2=7ʵmֵ
20. ͼʾACBECDǵֱΣACB=ECD=90㣬DΪABϵһ㣮
1 ֤BCDաACE
2 AE=12DE=15ABijȣ
21. ͼBD?ABCDĶԽߣAEBDCFBDֱΪEF֤AE=CF
22. ϺҹϴţͼʾijҹһҺִϺڽг̬ѲAñƫ30
㷽ϣΪ20BһҲݵĴֻУѸرƫ75ķǰѲ飬һʱCɹزֻҺִǰѲĹʻ˶ٺ
οݣcos75=0.2588sin75=0.9659tan75=3.732
=1.732 =1.414
23. ͼAm6Bn1ڷͼϣADxڵDBCxڵCDC=5
1 mnֵдıʽ
2 ABE߶ABһ㣬ExĴߣͼڵFEF= ADE꣮
24. ͼDΪOһ㣬CֱBAӳϣҡCDA=CBD
1 ֤CDǡOߣ
2 BO߽CDӳڵEBC=6
BEij
25. ͼκy=ax2+bx+ca0ͼxύA30B10㣬yཻڵC03
1 öκĽʽ
2 EyҲڵAһ㣬Exƽ߽һFFFGֱxڵGٹEEHֱxڵHõEFGHڵE˶УEFGHΪʱεı߳
3 Px·ϵһ㣬PAPCPACȡֵΧPACΪʱġPACм
26. ֱϵУOΪԭ㣬AΪ10OAΪڵһȱߡOABCΪxϵһ㣨OC1BCBCΪڵһȱߡBCDֱDAyE㣮