表达式20: left parenthesis, 10 "t" plus 20 left parenthesis, 1 minus "t" , right parenthesis , 24 "t" plus 19 left parenthesis, 1 minus "t" , right parenthesis , right parenthesis10t+201−t,24t+191−t
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, 20 "t" plus 30 left parenthesis, 1 minus "t" , right parenthesis , 19 "t" plus 18 left parenthesis, 1 minus "t" , right parenthesis , right parenthesis20t+301−t,19t+181−t
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, 30 "t" plus 40 left parenthesis, 1 minus "t" , right parenthesis , 18 "t" plus 28 left parenthesis, 1 minus "t" , right parenthesis , right parenthesis30t+401−t,18t+281−t
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, 40 "t" plus 50 left parenthesis, 1 minus "t" , right parenthesis , 28 "t" plus 7 left parenthesis, 1 minus "t" , right parenthesis , right parenthesis40t+501−t,28t+71−t
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, 50 "t" plus 60 left parenthesis, 1 minus "t" , right parenthesis , 7 "t" plus 22 left parenthesis, 1 minus "t" , right parenthesis , right parenthesis50t+601−t,7t+221−t
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, 60 "t" plus 70 left parenthesis, 1 minus "t" , right parenthesis , 22 "t" plus 12 left parenthesis, 1 minus "t" , right parenthesis , right parenthesis60t+701−t,22t+121−t
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, 70 "t" plus 80 left parenthesis, 1 minus "t" , right parenthesis , 12 "t" plus 24 left parenthesis, 1 minus "t" , right parenthesis , right parenthesis70t+801−t,12t+241−t
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, 20 "t" squared plus 60 "t" left parenthesis, 1 minus "t" , right parenthesis plus 40 left parenthesis, 1 minus "t" , right parenthesis squared , 19 "t" squared plus 25 "t" left parenthesis, 1 minus "t" , right parenthesis plus 28 left parenthesis, 1 minus "t" , right parenthesis squared , right parenthesis20t2+60t1−t+401−t2,19t2+25t1−t+281−t2
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
隐藏 标签 left parenthesis, 20 "t" squared plus 60 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 40 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , 19 "t" squared plus 25 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 28 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , right parenthesis20t21+60t11−t1+401−t12,19t21+25t11−t1+281−t12
标签
equals=
left parenthesis, 34.4 2 , 21.0 6 3 5 0 2 , right parenthesis34.42,21.063502
28
表达式29: left parenthesis, 30 "t" squared plus 80 "t" left parenthesis, 1 minus "t" , right parenthesis plus 50 left parenthesis, 1 minus "t" , right parenthesis squared , 18 "t" squared plus 87 "t" left parenthesis, 1 minus "t" , right parenthesis plus 7 left parenthesis, 1 minus "t" , right parenthesis squared , right parenthesis30t2+80t1−t+501−t2,18t2+87t1−t+71−t2
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
隐藏 标签 left parenthesis, 30 "t" squared plus 80 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 50 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , 18 "t" squared plus 87 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 7 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , right parenthesis30t21+80t11−t1+501−t12,18t21+87t11−t1+71−t12
标签
equals=
left parenthesis, 44.4 2 , 22.5 4 0 8 5 8 , right parenthesis44.42,22.540858
30
表达式31: left parenthesis, 40 "t" squared plus 100 "t" left parenthesis, 1 minus "t" , right parenthesis plus 60 left parenthesis, 1 minus "t" , right parenthesis squared , 28 "t" squared minus 22 "t" left parenthesis, 1 minus "t" , right parenthesis plus 22 left parenthesis, 1 minus "t" , right parenthesis squared , right parenthesis40t2+100t1−t+601−t2,28t2−22t1−t+221−t2
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：
31
隐藏 标签 left parenthesis, 40 "t" squared plus 100 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 60 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , 28 "t" squared minus 22 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 22 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , right parenthesis40t21+100t11−t1+601−t12,28t21−22t11−t1+221−t12
标签
equals=
left parenthesis, 54.4 2 , 9.1 9 0 5 5 2 , right parenthesis54.42,9.190552
32
表达式33: left parenthesis, 50 "t" squared plus 120 "t" left parenthesis, 1 minus "t" , right parenthesis plus 70 left parenthesis, 1 minus "t" , right parenthesis squared , 7 "t" squared plus 69 "t" left parenthesis, 1 minus "t" , right parenthesis plus 12 left parenthesis, 1 minus "t" , right parenthesis squared , right parenthesis50t2+120t1−t+701−t2,7t2+69t1−t+121−t2
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：
33
隐藏 标签 left parenthesis, 50 "t" squared plus 120 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 70 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , 7 "t" squared plus 69 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 12 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , right parenthesis50t21+120t11−t1+701−t12,7t21+69t11−t1+121−t12
标签
equals=
left parenthesis, 64.4 2 , 20.6 6 2 9 5 , right parenthesis64.42,20.66295
34
表达式35: left parenthesis, 60 "t" squared plus 140 "t" left parenthesis, 1 minus "t" , right parenthesis plus 80 left parenthesis, 1 minus "t" , right parenthesis squared , 22 "t" squared plus 2 "t" left parenthesis, 1 minus "t" , right parenthesis plus 24 left parenthesis, 1 minus "t" , right parenthesis squared , right parenthesis60t2+140t1−t+801−t2,22t2+2t1−t+241−t2
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：
35
隐藏 标签 left parenthesis, 60 "t" squared plus 140 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 80 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , 22 "t" squared plus 2 "t" Subscript, 1 , Baseline left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 24 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis squared , right parenthesis60t21+140t11−t1+801−t12,22t21+2t11−t1+241−t12
标签
equals=
left parenthesis, 74.4 2 , 14.5 9 1 0 0 4 , right parenthesis74.42,14.591004
