2020-2021学年北京市昌平区高一(上)期末数学试卷

学年北京市昌平高一（上）末数学试一选题共10小题）A{024}{123}A{04}B{3}C{12}D{04}0Af

x

Bfxx

Cfx

D1134

A

B5

C

D29xfx

yAex1

B

Clnx

D+1ABCD

A

B

C

D510A

x3

BC2+

DA3

B4CD9[[92[92[9494

98A4560AC

C75DABCDBD102

kmnxk

A10]

B1+

C20]+二填题共6小）11pxx

4p123x[3]13

141k2k15101016f

1221U1211212a1221U1211212anni1axfxfxxxf三解题共5小，共70分．答写文说，明程演步）17URA{2x}B{x5x0}aABBAB18x+1m230mxx+2x+1934

1

2

2

20flog

a1fxafxRfx121{Xx{1}i2}2

nnn1212nnn1212nn122nnAaaBbBA

1b|abaAk2n5A122121AABCACC

参考答案一选题共10小题）A{024}{123}A{04}B{3}C{12}D{04}{0124}B{123}B{12}C0Af

x

Bfxx

CfxDAfx

fxx

RCflgxD，

0+1134

A

B5

C

D29114C

xyfxAex1

B

Clnx

D+1yex

y

y

yyylnxlnxx+1DABCDA

B

C

D

++

+

+

510A

B

C

Dnm

4C

x3A3

2+B4CD9

222222log3x2

xlog32+

log[[92[92[949498A456075D940.336n92980.759298120DAC

BD

形ABCD⇒线ABCDABCDABCD

即

ABCDABCD102mx

kA10]

B1+

C20]

D2fxx

kfx[

]fx

x

2xk0

1k10]二填题本题6小题每题5分共30分）11pxx4p2pxx

px2+x

4x+24123x[3][1yf3

xf3f1[3]

1213

122x1x1

x2

3yx2141k2k3+3kK151010

76475%n

77.5

1221121221124n77.520016faxfxfxxxfx

x2x1

xx2xx1xfxfxafx10

xxx]0]a1xx01xfx1]01]afx10xxx]0]f2

UUU121121UUU12112111112三解题本题5小题共70分解应出字明证过程演步）17URA{2x}B{x

2x0}aABBABa1A{11}{5x0}{x5}A{x1}{x5}AB{1x5}B{x1}ABA{

50}{|0x5}2500a0][718x+1m230mxx+2

x+mmx+xm+14+140m2+2+1x+x2x+124m+12

m+10m12m1111934

121121121121a

1

2

2

8328211s2abe8abacaebecf6aeafcecf

2

2

s2s

2

20flog

a1fxaf

aaa222aanni1nnn1212nn122nniinaaa222aanni1nnn1212nn122nniinniiiiiixRfx1x

afxx

log

fxaflog

log1xxRfx1

logaa1

a

00a1

aa[

121{Xx{1}i2}2AaaBbBA

1b|abaAk2n5A122121AABCACCBa{i12nabk1k0C

acc0c1

ii1inn1122niin12niii1inn1122niin12niiiiiiiiiiiiiiiiiiiiiiiiii2||2|11|2||2111

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