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表达式20: "F" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus "s" cosine left parenthesis, 45 plus "C" Subscript, "E" "D" , Baseline , right parenthesis
F
1
=
E
1
+
s
c
o
s
4
5
+
C
E
D
equals
=
0.0 0 0 5
0
.
0
0
0
5
20
表达式21: "F" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus "s" sine left parenthesis, 45 plus "C" Subscript, "E" "D" , Baseline , right parenthesis
F
2
=
E
2
+
s
s
i
n
4
5
+
C
E
D
equals
=
1.9 9 9 5
1
.
9
9
9
5
21
表达式22: "G" Subscript, 1 , Baseline equals "L" Subscript, 1 , Baseline plus left parenthesis, "H" Subscript, 1 , Baseline minus "K" Subscript, 1 , Baseline , right parenthesis
G
1
=
L
1
+
H
1
−
K
1
equals
=
0.0 0 0 4 9 9 8 7 4 9 3 7 4 8 4
0
.
0
0
0
4
9
9
8
7
4
9
3
7
4
8
4
22
表达式23: "G" Subscript, 2 , Baseline equals "L" Subscript, 2 , Baseline plus left parenthesis, "H" Subscript, 2 , Baseline minus "K" Subscript, 2 , Baseline , right parenthesis
G
2
=
L
2
+
H
2
−
K
2
equals
=
2.0 0 0 0 0 0 1 2 5
2
.
0
0
0
0
0
0
1
2
5
23
表达式24: "H" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus "B" Subscript, "H" , Baseline cosine "D" Subscript, "C" "J" , Baseline
H
1
=
B
1
+
B
H
c
o
s
D
C
J
equals
=
1.9 9 9 9 9 9 8 7 4 9 4
1
.
9
9
9
9
9
9
8
7
4
9
4
24
表达式25: "H" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus "B" Subscript, "H" , Baseline sine "D" Subscript, "C" "J" , Baseline
H
2
=
B
2
+
B
H
s
i
n
D
C
J
equals
=
2.0 0 0 5 0 0 1 2 5
2
.
0
0
0
5
0
0
1
2
5
25
表达式26: "J" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus left parenthesis, "E" Subscript, 1 , Baseline minus "F" Subscript, 1 , Baseline , right parenthesis
J
1
=
C
1
+
E
1
−
F
1
equals
=
2.0 0 0 5
2
.
0
0
0
5
26
表达式27: "J" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus left parenthesis, "E" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , right parenthesis
J
2
=
C
2
+
E
2
−
F
2
equals
=
0.0 0 0 5
0
.
0
0
0
5
27
表达式28: "K" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus StartFraction, "C" Subscript, "K" , Baseline Over "s" , EndFraction left parenthesis, "J" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis
K
1
=
C
1
+
C
K
s
J
1
−
C
1
equals
=
2.0 0 0 5 0 0 1 2 5
2
.
0
0
0
5
0
0
1
2
5
28
表达式29: "K" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus StartFraction, "C" Subscript, "K" , Baseline Over "s" , EndFraction left parenthesis, "J" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , right parenthesis
K
2
=
C
2
+
C
K
s
J
2
−
C
2
equals
=
1.2 5 0 6 2 5 1 5 9 times 10 to the negative 7th power
1
.
2
5
0
6
2
5
1
5
9
×
1
0
−
7
29
表达式30: "L" Subscript, 1 , Baseline equals "K" Subscript, 1 , Baseline plus left parenthesis, "F" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis
L
1
=
K
1
+
F
1
−
C
1
equals
=
0.0 0 1 0 0 0 1 2 4 9 9 9 9 8
0
.
0
0
1
0
0
0
1
2
4
9
9
9
9
8
30
表达式31: "L" Subscript, 2 , Baseline equals "K" Subscript, 2 , Baseline plus left parenthesis, "F" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , right parenthesis
L
2
=
K
2
+
F
2
−
C
2
equals
=
negative 0.0 0 0 4 9 9 8 7 4 9 3 7 4 8 4
−
0
.
0
0
0
4
9
9
8
7
4
9
3
7
4
8
4
31
Graphs
Graphs
对学生隐藏该文件夹。
32
表达式33: polygon left parenthesis, "H" , "K" , "L" , "G" , right parenthesis
p
o
l
y
g
o
n
H
,
K
,
L
,
G
33
表达式34: polygon left parenthesis, "E" , "J" , right parenthesis
p
o
l
y
g
o
n
E
,
J
34
表达式35: polygon left parenthesis, "C" , "F" , right parenthesis
p
o
l
y
g
o
n
C
,
F
35
表达式36: polygon left parenthesis, "C" , "F" , "L" , "K" , right parenthesis
p
o
l
y
g
o
n
C
,
F
,
L
,
K
36
表达式37: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
,
D
37
表达式38: polygon left parenthesis, "B" , "H" , "K" , "L" , "G" , right parenthesis
p
o
l
y
g
o
n
B
,
H
,
K
,
L
,
G
38
Points
Points
对学生隐藏该文件夹。
39
53
技术支持
技术支持
A
B
C
D
E
F
G
H
J
K
L
2
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
功能
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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