運算式 8: polygon left parenthesis, negative 20 plus "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon−20+x1,y1
8
運算式 9: polygon left parenthesis, negative 10 plus "x" Subscript, 1 , Baseline , 10 plus "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon−10+x1,10+y1
9
運算式 10: polygon left parenthesis, negative 10 plus "x" Subscript, 1 , Baseline , negative 10 plus "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon−10+x1,−10+y1
10
運算式 11: polygon left parenthesis, negative 10 plus "x" Subscript, 1 , Baseline , negative 20 plus "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon−10+x1,−20+y1
11
運算式 12: polygon left parenthesis, 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon2x1,20−4y1
12
運算式 13: polygon left parenthesis, negative 20 plus 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon−20+2x1,20−4y1
13
運算式 14: polygon left parenthesis, negative 10 "t" Subscript, 1 , Baseline plus 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon−10t1+2x1,20−4y1
14
運算式 15: polygon left parenthesis, negative 10 minus 10 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesis 有圖檔。polygon−10−101−t1+2x1,20−4y1
