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表达式18: "x" equals negative 6 left brace, negative 2 less than or equal to "y" less than or equal to 2 , right brace
x
=
−
6
−
2
≤
y
≤
2
18
表达式19: "y" equals negative "x" minus 8 left brace, negative 6 less than or equal to "y" less than or equal to negative 2 , right brace
y
=
−
x
−
8
−
6
≤
y
≤
−
2
19
表达式20: "y" equals negative "x" minus 6 left brace, negative 4 less than or equal to "x" less than or equal to negative 2 , right brace
y
=
−
x
−
6
−
4
≤
x
≤
−
2
20
表达式21: "y" equals negative 4 left brace, negative 2 less than or equal to "x" less than or equal to 2 , right brace
y
=
−
4
−
2
≤
x
≤
2
21
表达式22: "y" equals "x" minus 6 left brace, 2 less than or equal to "x" less than or equal to 4 , right brace
y
=
x
−
6
2
≤
x
≤
4
22
表达式23: "y" equals negative 1 left brace, negative 2 less than or equal to "x" less than or equal to 2 , right brace
y
=
−
1
−
2
≤
x
≤
2
23
表达式24: "x" equals 2 left brace, negative 1 less than or equal to "y" less than or equal to 0 , right brace
x
=
2
−
1
≤
y
≤
0
24
表达式25: "y" equals 0 left brace, negative 2 less than or equal to "x" less than or equal to 2 , right brace
y
=
0
−
2
≤
x
≤
2
25
表达式26: "x" equals negative 2 left brace, negative 1 less than or equal to "y" less than or equal to 0 , right brace
x
=
−
2
−
1
≤
y
≤
0
26
表达式27: "y" equals 1 left brace, negative 3 less than or equal to "x" less than or equal to negative 1 , right brace
y
=
1
−
3
≤
x
≤
−
1
27
表达式28: "y" equals 1 left brace, 1 less than or equal to "x" less than or equal to 3 , right brace
y
=
1
1
≤
x
≤
3
28
表达式29: "y" equals .5 "x" plus 5 left brace, negative 2 less than or equal to "x" less than or equal to 0 , right brace
y
=
.
5
x
+
5
−
2
≤
x
≤
0
29
表达式30: "y" equals negative .5 "x" plus 5 left brace, 0 less than or equal to "x" less than or equal to 2 , right brace
y
=
−
.
5
x
+
5
0
≤
x
≤
2
30
表达式31: "y" equals 4 left brace, 2 less than or equal to "x" less than or equal to 6 , right brace
y
=
4
2
≤
x
≤
6
31
表达式32: "x" equals 2 left brace, 4 less than or equal to "y" less than or equal to 8 , right brace
x
=
2
4
≤
y
≤
8
32
表达式33: "x" equals 0 left brace, 5 less than or equal to "y" less than or equal to 6 , right brace
x
=
0
5
≤
y
≤
6
33
表达式34: "x" equals negative 2 left brace, 4 less than or equal to "y" less than or equal to 8 , right brace
x
=
−
2
4
≤
y
≤
8
34
表达式35: "y" equals 4 left brace, negative 6 less than or equal to "x" less than or equal to negative 2 , right brace
y
=
4
−
6
≤
x
≤
−
2
35
36
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"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
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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
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equals
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