運算式 8: polygon left parenthesis, left parenthesis, 0 , 0 , right parenthesis , left parenthesis, "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis , left parenthesis, 0 , negative 3 , right parenthesis , right parenthesispolygon0,0,x1,y1,0,−3
8
運算式 9: polygon left parenthesis, "A" , left parenthesis, "x" Subscript, 4 , Baseline , "y" Subscript, 4 , Baseline , right parenthesis , "C" , right parenthesispolygonA,x4,y4,C
9
運算式 10: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
10
運算式 11: left parenthesis, "y" Subscript, 1 , Baseline "t" , negative "x" Subscript, 1 , Baseline "t" , right parenthesisy1t,−x1t
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
11
運算式 12: left parenthesis, "s" Subscript, 1 , Baseline plus left parenthesis, "N" Subscript, 1 , Baseline minus "s" Subscript, 1 , Baseline , right parenthesis "t" , "s" Subscript, 2 , Baseline plus left parenthesis, "N" Subscript, 2 , Baseline minus "s" Subscript, 2 , Baseline , right parenthesis "t" , right parenthesiss1+N1−s1t,s2+N2−s2t
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
12
運算式 13: left parenthesis, "s" Subscript, 1 , Baseline minus left parenthesis, "N" Subscript, 2 , Baseline minus "s" Subscript, 2 , Baseline , right parenthesis "t" , "s" Subscript, 2 , Baseline plus left parenthesis, "N" Subscript, 1 , Baseline minus "s" Subscript, 1 , Baseline , right parenthesis "t" , right parenthesiss1−N2−s2t,s2+N1−s1t
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
13
運算式 14: left parenthesis, "s" Subscript, 1 , Baseline , "s" Subscript, 2 , Baseline minus "R" "t" , right parenthesiss1,s2−Rt
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
14
Coordinates etc.
對學生隱藏此資料夾。
15
Points
對學生隱藏此資料夾。
52
76
技術支援
技術支援
Start black, left parenthesis, 0 ; 0 , right parenthesis End black0;0
Start black, left parenthesis, "x" Subscript, 1 , Baseline ; "y" Subscript, 1 , Baseline , right parenthesis End blackx1;y1
Start black, left parenthesis, "x" Subscript, 2 , Baseline ; "y" Subscript, 2 , Baseline , right parenthesis End blackx2;y2
Start black, left parenthesis, "x" Subscript, 3 , Baseline ; "y" Subscript, 3 , Baseline , right parenthesis End blackx3;y3
Start black, left parenthesis, "x" Subscript, 4 , Baseline ; "y" Subscript, 4 , Baseline , right parenthesis End blackx4;y4
Start black, left parenthesis, "s" Subscript, 1 , Baseline ; "s" Subscript, 2 , Baseline , right parenthesis End blacks1;s2
Start black, left parenthesis, "A" Subscript, 1 , Baseline ; "A" Subscript, 2 , Baseline , right parenthesis End blackA1;A2
Start black, left parenthesis, "B" Subscript, 1 , Baseline ; "B" Subscript, 2 , Baseline , right parenthesis End blackB1;B2
Start black, left parenthesis, "C" Subscript, 1 , Baseline ; "C" Subscript, 2 , Baseline , right parenthesis End blackC1;C2
Start black, left parenthesis, "D" Subscript, 1 , Baseline ; "D" Subscript, 2 , Baseline , right parenthesis End blackD1;D2
Start black, left parenthesis, "E" Subscript, 1 , Baseline ; "E" Subscript, 2 , Baseline , right parenthesis End blackE1;E2
Start black, left parenthesis, "N" Subscript, 1 , Baseline ; "N" Subscript, 2 , Baseline , right parenthesis End blackN1;N2
Start black, "X" equals "R" equals "s" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline equals 5 End blackX=R=s2−A2=5
