運算式 41: left parenthesis, "x" minus 8 , right parenthesis squared plus left parenthesis, "y" minus 23 , right parenthesis squared less than or equal to 18 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x−82+y−232≤18
41
運算式 42: left parenthesis, "x" minus 7.9 , right parenthesis squared plus left parenthesis, "y" minus 22 , right parenthesis squared less than or equal to 1 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x−7.92+y−222≤1
42
運算式 43: left parenthesis, "x" minus 5 , right parenthesis squared plus left parenthesis, "y" minus 21 , right parenthesis squared less than or equal to 1.2 left brace, left parenthesis, "x" minus 8 , right parenthesis squared plus left parenthesis, "y" minus 23 , right parenthesis squared less than or equal to 18 , right brace 有圖檔。x−52+y−212≤1.2x−82+y−232≤18
43
運算式 44: left parenthesis, "x" minus 8 , right parenthesis squared plus left parenthesis, "y" minus 27 , right parenthesis squared less than or equal to 0.5 left brace, left parenthesis, "x" minus 8 , right parenthesis squared plus left parenthesis, "y" minus 23 , right parenthesis squared less than or equal to 18 , right brace 有圖檔。x−82+y−272≤0.5x−82+y−232≤18
44
運算式 45: left parenthesis, "x" minus 6 , right parenthesis squared plus left parenthesis, "y" minus 25 , right parenthesis squared less than or equal to 1.6 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x−62+y−252≤1.6
45
運算式 46: left parenthesis, "x" minus 11.3 , right parenthesis squared plus left parenthesis, "y" minus 25 , right parenthesis squared less than or equal to 0.8 left brace, left parenthesis, "x" minus 8 , right parenthesis squared plus left parenthesis, "y" minus 23 , right parenthesis squared less than or equal to 18 , right brace 有圖檔。x−11.32+y−252≤0.8x−82+y−232≤18
46
運算式 47: left parenthesis, "x" minus 11.6 , right parenthesis squared plus left parenthesis, "y" minus 21.5 , right parenthesis squared less than or equal to 0.8 left brace, left parenthesis, "x" minus 8 , right parenthesis squared plus left parenthesis, "y" minus 23 , right parenthesis squared less than or equal to 18 , right brace 有圖檔。x−11.62+y−21.52≤0.8x−82+y−232≤18
47
運算式 48: left parenthesis, "x" minus 9 , right parenthesis squared plus left parenthesis, "y" minus 19.3 , right parenthesis squared less than or equal to 0.8 left brace, left parenthesis, "x" minus 8 , right parenthesis squared plus left parenthesis, "y" minus 23 , right parenthesis squared less than or equal to 18 , right brace 有圖檔。x−92+y−19.32≤0.8x−82+y−232≤18
48
運算式 49: left parenthesis, "x" plus 16 , right parenthesis squared plus left parenthesis, "y" minus 15 , right parenthesis squared less than or equal to 18 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x+162+y−152≤18
49
運算式 50: left parenthesis, "x" plus 16 , right parenthesis squared plus 8 left parenthesis, "y" minus 14.7 , right parenthesis squared equals 38 left brace, "y" less than or equal to 16.3 5 2 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x+162+8y−14.72=38y≤16.352
50
運算式 51: left parenthesis, "x" minus 15 , right parenthesis squared plus left parenthesis, "y" plus 5 , right parenthesis squared less than or equal to 18 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x−152+y+52≤18
51
運算式 52: left parenthesis, "x" minus 15 , right parenthesis squared plus 8 left parenthesis, "y" plus 5 , right parenthesis squared equals 38 left brace, "y" less than or equal to negative 3.3 1 , right brace 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。x−152+8y+52=38y≤−3.31
