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t
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(
).
A
012
021
100
B
1
9
*
AA
EA
ABA
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A
2
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2
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3
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t
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,
,
,
,
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,
,
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lim
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2
x
x
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t
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cos
t
2
dt
lim
0
x
x
tan
x
cos
2
2
x
0
x
sin
t
3
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tan
t
dt
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0
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lim
0
x
1
4
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0
x
0
x
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0
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2
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010
001
101
010
101
100
010
001
110
110
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A
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100
B
B
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110
100
C
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x
2
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x
ln
2
a
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e
2
),
eax
a
x
2
e
b
x
2
e
k
0.6
10
6
).
v
0
700
km
/
h