運算式 11: left parenthesis, negative StartFraction, 1 Over "x" minus 13 , EndFraction , right parenthesis minus 1 left brace, 13.3 0 4 5 less than or equal to "x" less than or equal to 16.1 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。−1x−13−113.3045≤x≤16.1
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運算式 12: left parenthesis, "x" plus 4 , right parenthesis squared plus left parenthesis, "y" minus 4 , right parenthesis squared equals 0.2 5 squared 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x+42+y−42=0.252
12
運算式 13: negative 2cosine left parenthesis, left parenthesis, StartFraction, pi Over 8 , EndFraction , right parenthesis "x" , right parenthesis minus 6 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。−2cosπ8x−6
13
運算式 14: 2 StartAbsoluteValue, sin left parenthesis, left parenthesis, 0.2 5 pi "x" , right parenthesis , right parenthesis , EndAbsoluteValue plus 12 left brace, negative 16 less than or equal to "x" less than or equal to negative 4 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。2sin0.25πx+12−16≤x≤−4
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運算式 15: negative 2 StartAbsoluteValue, sin left parenthesis, left parenthesis, 0.2 5 pi "x" , right parenthesis , right parenthesis , EndAbsoluteValue plus 11 left brace, negative 16 less than or equal to "x" less than or equal to negative 4 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。−2sin0.25πx+11−16≤x≤−4
15
運算式 16: "x" equals negative 16 left brace, 11 less than "y" less than 12 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x=−1611<y<12
16
運算式 17: "x" equals negative 4 left brace, 11 less than or equal to "y" less than or equal to 12 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x=−411≤y≤12
17
運算式 18: left parenthesis, "x" minus 14 , right parenthesis squared plus left parenthesis, "y" minus 12 , right parenthesis squared equals 4 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x−142+y−122=4
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運算式 19: "x" equals 14 left brace, 15 less than "y" less than 17 , 7 less than "y" less than 9 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x=1415<y<17,7<y<9
19
運算式 20: "y" equals 12 left brace, 9 less than "x" less than 11 , 17 less than "x" less than 19 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。y=129<x<11,17<x<19
20
運算式 21: "y" equals "x" minus 2 left brace, 10 less than "x" less than 12 , 16 less than "x" less than 18 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。y=x−210<x<12,16<x<18
21
運算式 22: "y" equals negative "x" plus 26 left brace, 10 less than "x" less than 12 , 16 less than "x" less than 18 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。y=−x+2610<x<12,16<x<18
