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2 Circles and 3 Semicircles
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表达式19: "E" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline
E
2
=
A
2
equals
=
0
0
19
表达式20: "L" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline minus "R" Subscript, 3 , Baseline
L
1
=
C
1
−
R
3
equals
=
negative 3.4 3 7 9 7 5
−
3
.
4
3
7
9
7
5
20
表达式21: "L" Subscript, 2 , Baseline equals StartRoot, left parenthesis, "R" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline , right parenthesis squared minus left parenthesis, "L" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , right parenthesis squared , EndRoot
L
2
=
R
1
+
R
3
2
−
L
1
−
D
1
2
equals
=
5.8 5 7 6 3 8 7 3 0 7 5
5
.
8
5
7
6
3
8
7
3
0
7
5
21
表达式22: "M" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline
M
1
=
C
1
+
R
3
equals
=
0.9 7 7 9 7 5
0
.
9
7
7
9
7
5
22
表达式23: "M" Subscript, 2 , Baseline equals StartRoot, left parenthesis, "R" Subscript, 2 , Baseline plus "R" Subscript, 3 , Baseline , right parenthesis squared minus left parenthesis, "E" Subscript, 1 , Baseline minus "M" Subscript, 1 , Baseline , right parenthesis squared , EndRoot
M
2
=
R
2
+
R
3
2
−
E
1
−
M
1
2
equals
=
6.7 2 1 2 4 7 5 4 0 4 5
6
.
7
2
1
2
4
7
5
4
0
4
5
23
Graphs
Graphs
对学生隐藏该文件夹。
24
表达式25: "y" less than 30
y
<
3
0
25
表达式26: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, 3 , Baseline sin "t" , right parenthesis
L
1
+
R
3
c
o
s
t
,
L
2
+
R
3
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
26
表达式27: left parenthesis, "E" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "E" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesis
E
1
+
R
2
c
o
s
t
,
E
2
+
R
2
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： 180
1
8
0
27
表达式28: left parenthesis, "D" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "D" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis
D
1
+
R
1
c
o
s
t
,
D
2
+
R
1
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： 180
1
8
0
28
表达式29: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 3 , Baseline sin "t" , right parenthesis
M
1
+
R
3
c
o
s
t
,
M
2
+
R
3
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
29
表达式30: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 3 , Baseline sin "t" , right parenthesis
M
1
+
R
3
c
o
s
t
,
M
2
+
R
3
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
30
表达式31: left parenthesis, "D" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "D" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis
D
1
+
R
1
c
o
s
t
,
D
2
+
R
1
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： 180
1
8
0
31
表达式32: left parenthesis, "E" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "E" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesis
E
1
+
R
2
c
o
s
t
,
E
2
+
R
2
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： 180
1
8
0
32
表达式33: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, 3 , Baseline sin "t" , right parenthesis
L
1
+
R
3
c
o
s
t
,
L
2
+
R
3
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
33
表达式34: left parenthesis, "C" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline plus "t" StartRoot, "R" squared minus "C" squared , EndRoot , right parenthesis
C
1
,
C
2
+
t
R
2
−
C
2
1
0
0
定义域t最小值：
less than or equal to "t" less than or equal to
≤
t
≤
1
1
定义域t最大值：
34
表达式35: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis
R
c
o
s
t
,
R
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： 180
1
8
0
35
表达式36: polygon left parenthesis, "A" , "B" , right parenthesis
p
o
l
y
g
o
n
A
,
B
36
Points
Points
对学生隐藏该文件夹。
37
46
技术支持
技术支持
A
B
C
D
E
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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