運算式 5: left parenthesis, "x" plus 0 , right parenthesis squared plus left parenthesis, "y" minus 4 , right parenthesis squared less than .2 5x+02+y−42<.25
5
隱藏的 標籤 left parenthesis, negative 4 , 10 , right parenthesis−4,10
標籤
6
隱藏的 標籤 left parenthesis, 0 , 18 , right parenthesis0,18
標籤
7
隱藏的 標籤 left parenthesis, 4 , 10 , right parenthesis4,10
標籤
8
運算式 9: "y" equals StartFraction, 2 Over 1 , EndFraction "x" plus 18 left brace, negative 4 less than "x" less than 0 , right bracey=21x+18−4<x<0
9
運算式 10: "y" equals negative StartFraction, 2 Over 1 , EndFraction "x" plus 18 left brace, 0 less than "x" less than 4 , right bracey=−21x+180<x<4
