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表达式12: "x" equals negative 2 left brace, 8 less than "y" less than 12 , right brace
x
=
−
2
8
<
y
<
1
2
12
表达式13: "x" equals negative 1 left brace, 8 less than "y" less than 12 , right brace
x
=
−
1
8
<
y
<
1
2
13
表达式14: "y" equals 0 "x" plus 12 left brace, negative 1 less than "x" less than 2 , right brace
y
=
0
x
+
1
2
−
1
<
x
<
2
14
表达式15: "y" equals 0 "x" plus 8 left brace, negative 1 less than "x" less than 2 , right brace
y
=
0
x
+
8
−
1
<
x
<
2
15
表达式16: "x" equals 2 left brace, 8 less than "y" less than 12 , right brace
x
=
2
8
<
y
<
1
2
16
表达式17: "x" equals 3 left brace, 8 less than "y" less than 12 , right brace
x
=
3
8
<
y
<
1
2
17
表达式18: "y" equals 1 third "x" plus 7 left brace, 3 less than "x" less than 6 , right brace
y
=
1
3
x
+
7
3
<
x
<
6
18
表达式19: "y" equals 3.5 "x" minus 53 thirds left brace, 7 less than "x" less than 8.5 , right brace
y
=
3
.
5
x
−
5
3
3
7
<
x
<
8
.
5
19
表达式20: "y" equals 0 "x" plus 10 left brace, 8 less than "x" less than 9 , right brace
y
=
0
x
+
1
0
8
<
x
<
9
20
表达式21: "y" equals negative 3.5 "x" plus 41.8 left brace, 8.5 less than "x" less than 10 , right brace
y
=
−
3
.
5
x
+
4
1
.
8
8
.
5
<
x
<
1
0
21
表达式22: "y" equals 1 third "x" plus 22 thirds left brace, 11 less than "x" less than 14 , right brace
y
=
1
3
x
+
2
2
3
1
1
<
x
<
1
4
22
表达式23: "y" equals negative 2 thirds "x" plus 55 thirds left brace, 11 less than "x" less than 14 , right brace
y
=
−
2
3
x
+
5
5
3
1
1
<
x
<
1
4
23
表达式24: "y" equals 1 third "x" plus 13 thirds left brace, 11 less than "x" less than 14 , right brace
y
=
1
3
x
+
1
3
3
1
1
<
x
<
1
4
24
25
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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
÷
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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