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Circles and 3-4-5-Triangles
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運算式 20: "E" Subscript, 2 , Baseline equals "R" Subscript, 0 , Baseline
E
2
=
R
0
equals
=
6
6
20
運算式 21: "F" Subscript, 1 , Baseline equals "R" Subscript, 0 , Baseline
F
1
=
R
0
equals
=
6
6
21
運算式 22: "F" Subscript, 2 , Baseline equals "R" Subscript, 0 , Baseline
F
2
=
R
0
equals
=
6
6
22
運算式 23: "G" Subscript, 1 , Baseline equals "R" Subscript, 0 , Baseline
G
1
=
R
0
equals
=
6
6
23
運算式 24: "G" Subscript, 2 , Baseline equals negative "R" Subscript, 1 , Baseline
G
2
=
−
R
1
equals
=
negative 3
−
3
24
運算式 25: "x" Subscript, 0 , Baseline equals "B" Subscript, 1 , Baseline plus StartFraction, "R" Subscript, 1 , Baseline Over "B" Subscript, "C" , Baseline , EndFraction left parenthesis, "C" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis
x
0
=
B
1
+
R
1
B
C
C
1
−
B
1
equals
=
negative 1.2
−
1
.
2
25
運算式 26: "y" Subscript, 0 , Baseline equals "B" Subscript, 2 , Baseline plus StartFraction, "R" Subscript, 1 , Baseline Over "B" Subscript, "C" , Baseline , EndFraction left parenthesis, "C" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesis
y
0
=
B
2
+
R
1
B
C
C
2
−
B
2
equals
=
2.4
2
.
4
26
運算式 27: "B" Subscript, "C" , Baseline equals StartRoot, left parenthesis, "C" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis squared plus left parenthesis, "C" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesis squared , EndRoot
B
C
=
C
1
−
B
1
2
+
C
2
−
B
2
2
equals
=
5
5
27
Graphs
Graphs
對學生隱藏此資料夾。
28
運算式 29: polygon left parenthesis, "E" , "G" , right parenthesis
p
o
l
y
g
o
n
E
,
G
29
運算式 30: polygon left parenthesis, "H" , "B" , "C" , right parenthesis
p
o
l
y
g
o
n
H
,
B
,
C
30
運算式 31: polygon left parenthesis, "H" , "B" , "C" , right parenthesis
p
o
l
y
g
o
n
H
,
B
,
C
31
運算式 32: left parenthesis, "R" Subscript, 0 , Baseline cos "t" , "R" Subscript, 0 , Baseline sin "t" , right parenthesis
R
0
c
o
s
t
,
R
0
s
i
n
t
0
0
定義域 t 最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定義域 t 最大值： 360
3
6
0
32
運算式 33: polygon left parenthesis, "D" , "E" , "F" , "G" , right parenthesis
p
o
l
y
g
o
n
D
,
E
,
F
,
G
33
運算式 34: polygon left parenthesis, left parenthesis, negative "R" Subscript, 0 , Baseline , 0 , right parenthesis , left parenthesis, "R" Subscript, 0 , Baseline , 0 , right parenthesis , right parenthesis
p
o
l
y
g
o
n
−
R
0
,
0
,
R
0
,
0
34
運算式 35: left parenthesis, "C" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "C" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesis
C
1
+
R
2
c
o
s
t
,
C
2
+
R
2
s
i
n
t
0
0
定義域 t 最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定義域 t 最大值： 360
3
6
0
35
運算式 36: left parenthesis, "C" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "C" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesis
C
1
+
R
2
c
o
s
t
,
C
2
+
R
2
s
i
n
t
0
0
定義域 t 最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定義域 t 最大值： 360
3
6
0
36
運算式 37: left parenthesis, left bracket, negative "R" Subscript, 1 , Baseline , StartFraction, "R" Subscript, 0 , Baseline Over 2 , EndFraction , right bracket plus "R" Subscript, 1 , Baseline cos "t" , "R" Subscript, 1 , Baseline sin "t" , right parenthesis
−
R
1
,
R
0
2
+
R
1
c
o
s
t
,
R
1
s
i
n
t
0
0
定義域 t 最小值：
less than or equal to "t" less than or equal to
≤
t
≤
定義域 t 最大值： 360
3
6
0
37
運算式 38: left parenthesis, "C" Subscript, 1 , Baseline plus "t" "R" Subscript, 2 , Baseline , "C" Subscript, 2 , Baseline , right parenthesis
C
1
+
t
R
2
,
C
2
0
0
定義域 t 最小值：
less than or equal to "t" less than or equal to
≤
t
≤
1
1
定義域 t 最大值：
38
運算式 39: polygon left parenthesis, "A" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
C
39
Points
Points
對學生隱藏此資料夾。
40
62
技術支援
技術支援
H
A
B
C
D
E
F
G
Start black, "A" "B" "C" equals 3 minus 4 minus 5 minus "T" "r" "i" "a" "n" "g" "l" "e" End black
A
B
C
=
3
−
4
−
5
−
T
r
i
a
n
g
l
e
Start black, "R" Subscript, 1 , Baseline equals StartFraction, "R" Subscript, 0 , Baseline Over 2 , EndFraction equals 3 End black
R
1
=
R
0
2
=
3
Start black, StartFraction, "R" Subscript, 2 , Baseline Over "R" Subscript, 1 , Baseline , EndFraction equals 2 thirds End black
R
2
R
1
=
2
3
Start black, "R" Subscript, 2 , Baseline equals 2 thirds times "R" Subscript, 1 , Baseline equals 2 End black
R
2
=
2
3
·
R
1
=
2
Start black, "R" Subscript, 1 , Baseline End black
R
1
Start black, "R" Subscript, 2 , Baseline End black
R
2
90°
"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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