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表达式14: "M" Subscript, 1 , Baseline equals "L" Subscript, 1 , Baseline
M
1
=
L
1
equals
=
0
0
14
表达式15: "M" Subscript, 2 , Baseline equals "R" Subscript, 5 , Baseline minus "R" Subscript, "B" "l" "u" "e" , Baseline
M
2
=
R
5
−
R
B
l
u
e
equals
=
negative 4.0 4 5 0 8 4 9 7 1 8 7
−
4
.
0
4
5
0
8
4
9
7
1
8
7
15
Graphs
Graphs
对学生隐藏该文件夹。
16
表达式17: "y" less than 45
y
<
4
5
17
表达式18: left parenthesis, "R" Subscript, "B" "l" "u" "e" , Baseline cos "t" , "R" Subscript, "B" "l" "u" "e" , Baseline sin "t" , right parenthesis
R
B
l
u
e
c
o
s
t
,
R
B
l
u
e
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
18
表达式19: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline sin "t" , right parenthesis
L
1
+
R
G
r
e
e
n
c
o
s
t
,
L
2
+
R
G
r
e
e
n
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
19
表达式20: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline sin "t" , right parenthesis
M
1
+
R
G
r
e
e
n
c
o
s
t
,
M
2
+
R
G
r
e
e
n
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
20
表达式21: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline sin "t" , right parenthesis
M
1
+
R
G
r
e
e
n
c
o
s
t
,
M
2
+
R
G
r
e
e
n
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
21
表达式22: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, "G" "r" "e" "e" "n" , Baseline sin "t" , right parenthesis
L
1
+
R
G
r
e
e
n
c
o
s
t
,
L
2
+
R
G
r
e
e
n
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
22
隐藏 标签 left parenthesis, "M" Subscript, 1 , Baseline minus "R" Subscript, 5 , Baseline cos "l" , "M" Subscript, 2 , Baseline minus "R" Subscript, 5 , Baseline sin "l" , right parenthesis
M
1
−
R
5
c
o
s
l
,
M
2
−
R
5
s
i
n
l
标签
equals
=
left parenthesis, 0 , negative 9.0 4 5 , right parenthesis
0
,
−
9
.
0
4
5
left parenthesis, 4.7 5 5 , negative 5.5 9 , right parenthesis
4
.
7
5
5
,
−
5
.
5
9
left parenthesis, 2.9 3 9 , 0 , right parenthesis
2
.
9
3
9
,
0
left parenthesis, negative 2.9 3 9 , 1.7 8 times 10 to the negative 15th power , right parenthesis
−
2
.
9
3
9
,
1
.
7
8
×
1
0
−
1
5
left parenthesis, negative 4.7 5 5 , negative 5.5 9 , right parenthesis
−
4
.
7
5
5
,
−
5
.
5
9
left parenthesis, 0 , negative 9.0 4 5 , right parenthesis
0
,
−
9
.
0
4
5
23
表达式24: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 5 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 5 , Baseline sin "t" , right parenthesis
M
1
+
R
5
c
o
s
t
,
M
2
+
R
5
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
24
表达式25: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, 5 , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, 5 , Baseline sin "t" , right parenthesis
L
1
+
R
5
c
o
s
t
,
L
2
+
R
5
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
25
隐藏 标签 left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, 5 , Baseline cos "l" , "L" Subscript, 2 , Baseline plus "R" Subscript, 5 , Baseline sin "l" , right parenthesis
L
1
+
R
5
c
o
s
l
,
L
2
+
R
5
s
i
n
l
标签
equals
=
left parenthesis, 0 , 9.0 4 5 , right parenthesis
0
,
9
.
0
4
5
left parenthesis, negative 4.7 5 5 , 5.5 9 , right parenthesis
−
4
.
7
5
5
,
5
.
5
9
left parenthesis, negative 2.9 3 9 , 0 , right parenthesis
−
2
.
9
3
9
,
0
left parenthesis, 2.9 3 9 , negative 1.7 8 times 10 to the negative 15th power , right parenthesis
2
.
9
3
9
,
−
1
.
7
8
×
1
0
−
1
5
left parenthesis, 4.7 5 5 , 5.5 9 , right parenthesis
4
.
7
5
5
,
5
.
5
9
left parenthesis, 0 , 9.0 4 5 , right parenthesis
0
,
9
.
0
4
5
26
表达式27: left parenthesis, "R" Subscript, "B" "l" "u" "e" , Baseline cos "t" , "R" Subscript, "B" "l" "u" "e" , Baseline sin "t" , right parenthesis
R
B
l
u
e
c
o
s
t
,
R
B
l
u
e
s
i
n
t
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定义域t最大值： 360
3
6
0
27
Points
Points
对学生隐藏该文件夹。
28
32
技术支持
技术支持
L
M
"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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