運算式 7: StartFraction, left parenthesis, "y" minus 21 , right parenthesis Over "y" minus 11 , EndFraction equals StartFraction, left parenthesis, "x" minus 1 , right parenthesis Over "x" minus 2 , EndFractiony−21y−11=x−1x−2
7
隱藏的 標籤 left parenthesis, 2 "t" Subscript, 1 , Baseline plus 1 , negative 20 "t" Subscript, 1 , Baseline plus 21 , right parenthesis2t1+1,−20t1+21
標籤
equals=
left parenthesis, 2.5 1 6 , 5.8 4 , right parenthesis2.516,5.84
運算式 10: StartFraction, left parenthesis, "y" minus 25 , right parenthesis Over "y" minus 9 , EndFraction equals StartFraction, "x" plus 3 Over "x" plus 2 , EndFractiony−25y−9=x+3x+2
10
運算式 11: StartFraction, left parenthesis, "y" minus 9 , right parenthesis Over "y" minus 1 , EndFraction equals StartFraction, "x" plus 2 Over "x" plus 1 , EndFractiony−9y−1=x+2x+1
11
隱藏的 標籤 left parenthesis, negative "t" Subscript, 1 , Baseline minus 2 , 16 "t" Subscript, 1 , Baseline plus 9 , right parenthesis−t1−2,16t1+9
標籤
equals=
left parenthesis, negative 2.7 5 8 , 21.1 2 8 , right parenthesis−2.758,21.128
12
隱藏的 標籤 left parenthesis, "t" Subscript, 1 , Baseline minus 2 , 9 minus 8 "t" Subscript, 1 , Baseline , right parenthesist1−2,9−8t1
標籤
equals=
left parenthesis, negative 1.2 4 2 , 2.9 3 6 , right parenthesis−1.242,2.936
