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浙江省杭州市中考数学模拟试卷六含答案解?- 百度文库

ʱ䣺 ղ ҪͶ

㽭ʡпѧģԾ𰸽

2021㽭ʡпѧģԾ

һѡ⣨10С⣬ÿС3֣30֣ܰʾÿСĸ𰸣ֻһȷģ뽫ȷĴѡ

1ax2+2x+=2x+2+mamֱֵǣ A20 B40 C2 D4 2У ٶԶȣ ֱƽУڴȣ

ǶӦȵֱȫȣ ֱǵıǾΣ ƽҵֱֱңƽԵĻ A.1 B2 C3 D4 3aΪ A + ??1 B ?? +1 C ?? ??1 D + +1 ??

С֣bΪ ??

С֣??ֵΪ

4ͼΪ1.5׵ijѧһôĸ߶ȣӰBABAȥߵCʱӰӶӰӶغϣBC=3ףCA=1ףĸ߶Ϊ

A3 B4 C4.5 D6

5ͼABǡOֱAOC=110㣬D=

A25 B35 C55 D70

6ͼֽϼһԲκһεֽƬʹ֮ǡΧһԲ׶ģͣԲİ뾶ΪrεԲĽǵ120㣬ΧɵԲ׶ģ͵ĸΪ

Ar B2r C r D3r

7DEֱΪABCıABACϵĵ㣬ACDBCDܳȣABECBEͼܳȣǡABCΪSACB=90㣬AD?CESĴСϵΪ

AS=AD?CE BSAD?CE CSAD?CE D޷ȷ

8ʽax2+7x??12x+5??1a1xȡֵΧǣ A2x3 B??1x1

C??1x1 D2x3

9ͼOAOBֱCDECDOBϣECD=45㣬CDEƵCʱת75㣬EĶӦNǡOAϣ ֵΪ

A B C D

10ͼ֪ABֱΪ??2001C ԲΪ0??1 뾶Ϊ1DǡCϵһ㣬ADyύڵEABEֵǣ A3 B C D4

⣨6С⣬ÿ4֣24֣ܰʾӦȷĴڿոڣ

11ֽʽx2??4=

12a4253ƽΪbabǷx2??4x+3=0ݵı׼

13??112УȡһΪaôʹxһκy=2x+aͼxᡢyΧɵεΪʹxIJʽΪ

14ABСOڵBOA=2OAB=30㣬ͼBCOAӻУ ĻΪ нĸ

15 ABCDAE۵õͼʾͼΣCED=56㣬AEDĴС 㣮

16֪ͼ˫y=x0ֱEFڵABAE=AB=BFAOBOǷֱ˫y=x0ڵCD 1ABCDλùϵ

2ıABDCΪ

⣨7⣬66֣ܰʾӦҪĹֳ̳ 17Ȼʽ

浙江省杭州市中考数学模拟试卷六含答案解?- 百度文库

㽭ʡпѧģԾ𰸽2021㽭ʡпѧģԾһѡ⣨10С⣬ÿС3֣30֣ܰʾÿСĸ𰸣ֻһȷģ뽫ȷĴѡ1ax2+2x+=2x+2+mamֱֵǣA20B4
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