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表达式30: "y" equals 1.5 left brace, negative 4 less than or equal to "x" less than or equal to negative 3 , right brace
y
=
1
.
5
−
4
≤
x
≤
−
3
30
表达式31: "y" equals negative 1.5 left brace, negative 5 less than or equal to "x" less than or equal to negative 4 , right brace
y
=
−
1
.
5
−
5
≤
x
≤
−
4
31
表达式32: "x" equals negative 4 left brace, 0.5 less than or equal to "y" less than or equal to 1.5 , right brace
x
=
−
4
0
.
5
≤
y
≤
1
.
5
32
表达式33: "y" equals 0.5 left brace, negative 4 less than or equal to "x" less than or equal to negative 3 , right brace
y
=
0
.
5
−
4
≤
x
≤
−
3
33
表达式34: "y" equals negative 0.5 left brace, negative 5 less than or equal to "x" less than or equal to negative 4 , right brace
y
=
−
0
.
5
−
5
≤
x
≤
−
4
34
表达式35: "x" equals negative 4 left brace, negative 1.5 less than or equal to "y" less than or equal to negative 0.5 , right brace
x
=
−
4
−
1
.
5
≤
y
≤
−
0
.
5
35
表达式36: "x" equals negative 5 left brace, negative 2.5 less than or equal to "y" less than or equal to negative 1.5 , right brace
x
=
−
5
−
2
.
5
≤
y
≤
−
1
.
5
36
表达式37: "x" equals negative 1 left brace, negative 2.5 less than or equal to "y" less than or equal to 2.5 , right brace
x
=
−
1
−
2
.
5
≤
y
≤
2
.
5
37
表达式38: "y" equals 2.5 left brace, negative 1 less than or equal to "x" less than or equal to 1 , right brace
y
=
2
.
5
−
1
≤
x
≤
1
38
表达式39: "y" equals 1.5 left brace, 0 less than or equal to "x" less than or equal to 1 , right brace
y
=
1
.
5
0
≤
x
≤
1
39
表达式40: "y" equals 0.5 left brace, 0 less than or equal to "x" less than or equal to 1 , right brace
y
=
0
.
5
0
≤
x
≤
1
40
表达式41: "y" equals negative 0.5 left brace, 0 less than or equal to "x" less than or equal to 1 , right brace
y
=
−
0
.
5
0
≤
x
≤
1
41
表达式42: "x" equals 1 left brace, 1.5 less than or equal to "y" less than or equal to 2.5 , right brace
x
=
1
1
.
5
≤
y
≤
2
.
5
42
表达式43: "x" equals 0 left brace, 0.5 less than or equal to "y" less than or equal to 1.5 , right brace
x
=
0
0
.
5
≤
y
≤
1
.
5
43
表达式44: "x" equals 1 left brace, negative 0.5 less than or equal to "y" less than or equal to 0.5 , right brace
x
=
1
−
0
.
5
≤
y
≤
0
.
5
44
表达式45: "y" equals negative 2.5 left brace, negative 1 less than or equal to "x" less than or equal to 0 , right brace
y
=
−
2
.
5
−
1
≤
x
≤
0
45
表达式46: "x" equals 0 left brace, negative 2.5 less than or equal to "y" less than or equal to negative 0.5 , right brace
x
=
0
−
2
.
5
≤
y
≤
−
0
.
5
46
表达式47: "x" equals 3 left brace, negative 2 less than or equal to "y" less than or equal to 2.5 , right brace
x
=
3
−
2
≤
y
≤
2
.
5
47
表达式48: "x" equals 6 left brace, negative 2 less than or equal to "y" less than or equal to 2.5 , right brace
x
=
6
−
2
≤
y
≤
2
.
5
48
表达式49: "y" equals negative 2.5 left brace, 3.5 less than or equal to "x" less than or equal to 5.5 , right brace
y
=
−
2
.
5
3
.
5
≤
x
≤
5
.
5
49
表达式50: "y" equals 2.5 left brace, 3 less than or equal to "x" less than or equal to 4 , right brace
y
=
2
.
5
3
≤
x
≤
4
50
表达式51: "y" equals 2.5 left brace, 5 less than or equal to "x" less than or equal to 6 , right brace
y
=
2
.
5
5
≤
x
≤
6
51
表达式52: "x" equals 4 left brace, negative 1 less than or equal to "y" less than or equal to 2.5 , right brace
x
=
4
−
1
≤
y
≤
2
.
5
52
表达式53: "x" equals 5 left brace, negative 1 less than or equal to "y" less than or equal to 2.5 , right brace
x
=
5
−
1
≤
y
≤
2
.
5
53
表达式54: "y" equals 0.5 left brace, 4 less than or equal to "x" less than or equal to 5 , right brace
y
=
0
.
5
4
≤
x
≤
5
54
表达式55: "x" equals 3.5 left brace, negative 2.5 less than or equal to "y" less than or equal to negative 2 , right brace
x
=
3
.
5
−
2
.
5
≤
y
≤
−
2
55
表达式56: "x" equals 5.5 left brace, negative 2.5 less than or equal to "y" less than or equal to negative 2 , right brace
x
=
5
.
5
−
2
.
5
≤
y
≤
−
2
56
表达式57: "y" equals negative 2 left brace, 3 less than or equal to "x" less than or equal to 3.5 , right brace
y
=
−
2
3
≤
x
≤
3
.
5
57
表达式58: "y" equals negative 2 left brace, 5.5 less than or equal to "x" less than or equal to 6 , right brace
y
=
−
2
5
.
5
≤
x
≤
6
58
表达式59:
59
60
技术支持
技术支持
"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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