2020届青浦二模(教师版)

5r555r552,0年上海市青浦区高三二模试卷分析1-647-12A(

U

A

__________

i

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f

x

fxxf

32

(

x80a_________r

rax5

Cr2,5

2

x24

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y1

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216

πcm

cm3

r

2

2

x,0x32

1xy

1yx=yxxxy

2xyx

11y

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_______

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|

a

b

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11

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f(xlog

________x

f(xx

b2,4,6

a4,6

a

6f()log

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11,1,2,32

f

10.

f(x

x

f[f()]x

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f(f(xf(0

f()

x0

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f(x)()x

xxx

a

14202012f(

f)

f

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a11.

y

△ABC

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x,x2Bx,Cxx1223

k

x2x1

ABC

kk

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42353

1

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a

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n

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t(12)t(12)0.2513.aR”“

a2

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A

b

2

a

2

0,2b0

14.“”

………………A

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()

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B

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22

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4sin4

limn

limnn

n

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2

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①③

D①②③C

tf(t

f2(x)af(

t

0

t

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x

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2ABCDBCD1

ABCD

A

ACAACAB

ABCDBCDAB11AB3AA

12

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∴7

sinxsin3sinxsinxsin3sinxxcosxcossinπ2AC

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BC1

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rccos

18.

πf()[2sin()xsin

x

1y()a(a0)a2x

12

]()

2m

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xxcosxx2xcosxππkππkakZ22

x

8

0002pt0002pt252x]

mf

2f

1sinx

37x0,sin2xsin2x36233

m

19.

t

t

*

t

0

1200

560

pt

1

pt

6

2

p(t)t

360

21201200,10

tk∵64k560

∴

∴

t1200,10

2

20021200,1020

∴

9

360,2360,10360,2360,106

0402

Q

6t

360

20060t,2tttt

①

Q84060t

t

120t②1020

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l

l

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m

x

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l

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)

xky0

0y4

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111kkk12

y00

1

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F(

F(3,0)

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PF

yy3l00

PF

yy30

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2

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2

0y4

11

0200*0200*3|

m3|

3

2

32

0

2

33

m332

m

x

m

20

y

2

x

M(,y)0

M

xAB1M2

M

2Q

A

B

3t

yyAB

t21.

nn

max,,kk

N

n

,12

a12k

a,aakn

Sbn

n1ann

2b

3

n

nnabn22

12

an3n232annmaxa,a,1n

n

n(03n22a,,2

a

maxa,,,a2

a

,

a,,

,a2

a,,a1

n

ba，,b,b“”

b,,bn1nn

3

n

nnab22

naa1

n2n

baa2123aab3aa232

*aaba*33232aa*aa1232aaa31

aa*a333

13

1nk1nk

n

nnabn22

a

an，a,

nN

*

………………14

nan1

n2

a

nnaaa2222

a.……………………163.a

a,na,

,a1

a,an

,aa

a

k

ak