表达式10: left parenthesis, "A" Subscript, 1 , Baseline plus "a" Subscript, 1 , Baseline "t" , "A" Subscript, 2 , Baseline , right parenthesisA1+a1t,A2
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
10
表达式11: left parenthesis, "A" Subscript, 1 , Baseline plus "a" Subscript, 1 , Baseline , "A" Subscript, 2 , Baseline plus "a" Subscript, 2 , Baseline "t" , right parenthesisA1+a1,A2+a2t
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
11
表达式12: left parenthesis, "B" Subscript, 1 , Baseline minus "a" Subscript, 1 , Baseline "t" , "B" Subscript, 2 , Baseline , right parenthesisB1−a1t,B2
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
12
表达式13: left parenthesis, "B" Subscript, 1 , Baseline minus "a" Subscript, 1 , Baseline , "B" Subscript, 2 , Baseline minus "a" Subscript, 2 , Baseline "t" , right parenthesisB1−a1,B2−a2t
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
13
Skydere
对学生隐藏该文件夹。
14
表达式15: "A" Subscript, 1 , Baseline equals negative 5A1=−5
