表达式20: left parenthesis, left brace, 5 less than "S" less than 6 , right brace "x" Subscript, 1 , Baseline left bracket, 2 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 3 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 2 , right bracket , right parenthesis "t" "s" , "y" Subscript, 1 , Baseline left bracket, 2 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 3 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 2 , right bracket , right parenthesis "t" "s" , right parenthesis5<S<6x12+x13−x12ts,y12+y13−y12ts
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：
20
表达式21: left parenthesis, left brace, "S" greater than or equal to 6 , right brace "x" Subscript, 1 , Baseline left bracket, 2 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 3 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 2 , right bracket , right parenthesis "t" , "y" Subscript, 1 , Baseline left bracket, 2 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 3 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 2 , right bracket , right parenthesis "t" , right parenthesisS≥6x12+x13−x12t,y12+y13−y12t
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：
21
表达式22: left parenthesis, left brace, 6 less than "S" less than 7 , right brace "x" Subscript, 1 , Baseline left bracket, 3 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 4 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 3 , right bracket , right parenthesis "t" "s" , "y" Subscript, 1 , Baseline left bracket, 3 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 4 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 3 , right bracket , right parenthesis "t" "s" , right parenthesis6<S<7x13+x14−x13ts,y13+y14−y13ts
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：
22
表达式23: left parenthesis, left brace, "S" greater than or equal to 7 , right brace "x" Subscript, 1 , Baseline left bracket, 3 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 4 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 3 , right bracket , right parenthesis "t" , "y" Subscript, 1 , Baseline left bracket, 3 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 4 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 3 , right bracket , right parenthesis "t" , right parenthesisS≥7x13+x14−x13t,y13+y14−y13t
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：
23
表达式24: left parenthesis, left brace, 7 less than "S" less than 8 , right brace "x" Subscript, 1 , Baseline left bracket, 4 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 5 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 4 , right bracket , right parenthesis "t" "s" , "y" Subscript, 1 , Baseline left bracket, 4 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 5 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 4 , right bracket , right parenthesis "t" "s" , right parenthesis7<S<8x14+x15−x14ts,y14+y15−y14ts
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：
24
表达式25: left parenthesis, left brace, "S" greater than or equal to 8 , right brace "x" Subscript, 1 , Baseline left bracket, 4 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 5 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 4 , right bracket , right parenthesis "t" , "y" Subscript, 1 , Baseline left bracket, 4 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 5 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 4 , right bracket , right parenthesis "t" , right parenthesisS≥8x14+x15−x14t,y14+y15−y14t
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：
25
表达式26: left parenthesis, left brace, 8 less than "S" less than 9 , right brace "x" Subscript, 1 , Baseline left bracket, 5 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 6 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 5 , right bracket , right parenthesis "t" "s" , "y" Subscript, 1 , Baseline left bracket, 5 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 6 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 5 , right bracket , right parenthesis "t" "s" , right parenthesis8<S<9x15+x16−x15ts,y15+y16−y15ts
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：
26
表达式27: left parenthesis, left brace, "S" greater than or equal to 9 , right brace "x" Subscript, 1 , Baseline left bracket, 5 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 6 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 5 , right bracket , right parenthesis "t" , "y" Subscript, 1 , Baseline left bracket, 5 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 6 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 5 , right bracket , right parenthesis "t" , right parenthesisS≥9x15+x16−x15t,y15+y16−y15t
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：
27
表达式28: left parenthesis, left brace, 9 less than "S" less than 10 , right brace "x" Subscript, 1 , Baseline left bracket, 6 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 7 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 6 , right bracket , right parenthesis "t" "s" , "y" Subscript, 1 , Baseline left bracket, 6 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 7 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 6 , right bracket , right parenthesis "t" "s" , right parenthesis9<S<10x16+x17−x16ts,y16+y17−y16ts
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：
28
表达式29: left parenthesis, left brace, "S" greater than or equal to 10 , right brace "x" Subscript, 1 , Baseline left bracket, 6 , right bracket plus left parenthesis, "x" Subscript, 1 , Baseline left bracket, 7 , right bracket minus "x" Subscript, 1 , Baseline left bracket, 6 , right bracket , right parenthesis "t" , "y" Subscript, 1 , Baseline left bracket, 6 , right bracket plus left parenthesis, "y" Subscript, 1 , Baseline left bracket, 7 , right bracket minus "y" Subscript, 1 , Baseline left bracket, 6 , right bracket , right parenthesis "t" , right parenthesisS≥10x16+x17−x16t,y16+y17−y16t
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：
29
表达式30: polygon left parenthesis, left brace, "N" plus 2 greater than or equal to "S" greater than or equal to "N" , right brace "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesispolygonN+2≥S≥Nx1,y1
30
表达式31: polygon left parenthesis, left brace, "S" greater than or equal to "N" , right brace "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesispolygonS≥Nx1,y1
31
`Voilà` left parenthesis, 0 , 0 left brace, "S" greater than or equal to "N" plus 2 , right brace , right parenthesis0,0S≥N+2
标签:
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
32
Points hidden when S > ( N = 10 )
对学生隐藏该文件夹。
33
隐藏 标签 left parenthesis, left brace, "N" greater than or equal to "S" greater than or equal to 2 , right brace left parenthesis, "x" Subscript, 1 , Baseline left bracket, 1 , right bracket , right parenthesis , left parenthesis, "y" Subscript, 1 , Baseline left bracket, 1 , right bracket , right parenthesis , right parenthesisN≥S≥2x11,y11
标签
未定义
34
隐藏 标签 left parenthesis, left brace, "N" greater than or equal to "S" greater than or equal to 2 , right brace left parenthesis, "x" Subscript, 1 , Baseline left bracket, 4 , right bracket , right parenthesis , left parenthesis, "y" Subscript, 1 , Baseline left bracket, 4 , right bracket , right parenthesis , right parenthesisN≥S≥2x14,y14
标签
未定义
35
隐藏 标签 left parenthesis, left brace, "N" greater than or equal to "S" greater than or equal to 4 , right brace left parenthesis, "x" Subscript, 1 , Baseline left bracket, 2 , right bracket , right parenthesis , left parenthesis, "y" Subscript, 1 , Baseline left bracket, 2 , right bracket , right parenthesis , right parenthesisN≥S≥4x12,y12
标签
未定义
36
隐藏 标签 left parenthesis, left brace, "N" greater than or equal to "S" greater than or equal to 4 , right brace left parenthesis, "x" Subscript, 1 , Baseline left bracket, 3 , right bracket , right parenthesis , left parenthesis, "y" Subscript, 1 , Baseline left bracket, 3 , right bracket , right parenthesis , right parenthesisN≥S≥4x13,y13
标签
未定义
37
隐藏 标签 left parenthesis, left brace, "N" greater than or equal to "S" greater than or equal to 4 , right brace left parenthesis, "x" Subscript, 1 , Baseline left bracket, 5 , right bracket , right parenthesis , left parenthesis, "y" Subscript, 1 , Baseline left bracket, 5 , right bracket , right parenthesis , right parenthesisN≥S≥4x15,y15
标签
未定义
38
隐藏 标签 left parenthesis, left brace, "N" greater than or equal to "S" greater than or equal to 4 , right brace left parenthesis, "x" Subscript, 1 , Baseline left bracket, 6 , right bracket , right parenthesis , left parenthesis, "y" Subscript, 1 , Baseline left bracket, 6 , right bracket , right parenthesis , right parenthesisN≥S≥4x16,y16
