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圆的形成过程
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Expression 5: "y" equals negative 3 left brace, 4 less than or equal to "x" less than or equal to 5.5 , right brace
y
=
−
3
4
≤
x
≤
5
.
5
5
`旋转,看看！` left parenthesis, StartFraction, "m" Over 5 , EndFraction plus 4 , negative 3 , right parenthesis
m
5
+
4
,
−
3
Label:
6
Expression 7: left parenthesis, 1 half cos "t" plus 2 , 1 half sin "t" plus 2 , right parenthesis
1
2
c
o
s
t
+
2
,
1
2
s
i
n
t
+
2
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: "m"
m
7
`\alpha` left parenthesis, 2.3 , 2.3 , right parenthesis
2
.
3
,
2
.
3
Label:
8
`C(m,n)` left parenthesis, 2 , 2 , right parenthesis
2
,
2
Label:
9
`A` left parenthesis, 6 , 2 , right parenthesis
6
,
2
Label:
10
11
powered by
powered by
"P" ( "R" cosine alpha plus "m" ， "R" sine alpha plus "n" )
P
(
R
c
o
s
α
+
m
，
R
s
i
n
α
+
n
)
旋 转 , 看 看 ！
旋
转
,
看
看
！
alpha
α
"C" ( "m" , "n" )
C
(
m
,
n
)
"A"
A
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
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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