運算式 27: 1 equals "x" squared plus "y" squared1=x2+y2
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運算式 28: .7 5 equals "x" squared plus "y" squared.75=x2+y2
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運算式 29: .5 equals "x" squared plus "y" squared.5=x2+y2
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運算式 30: .2 5 equals "x" squared plus "y" squared.25=x2+y2
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運算式 31: .1 5 equals "x" squared plus "y" squared.15=x2+y2
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運算式 32: .1 equals "x" squared plus "y" squared.1=x2+y2
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運算式 33: .0 3 equals "x" squared plus "y" squared.03=x2+y2
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運算式 34: "y" equals negative 215 "x" plus 5 left brace, 20 greater than "y" greater than negative 20 , right bracey=−215x+520>y>−20
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運算式 35: "y" equals "x" minus 16 left brace, 40 greater than "x" greater than negative 40 , right brace left brace, 40 greater than "y" greater than negative 40 , right bracey=x−1640>x>−4040>y>−40
35
運算式 36: "y" equals "x" plus 16 left brace, 25 greater than "x" greater than negative 25 , right brace left brace, 25 greater than "y" greater than negative 25 , right bracey=x+1625>x>−2525>y>−25
36
運算式 37: "y" equals negative "x" plus 16 left brace, negative 30 greater than 30 greater than "x" , right brace left brace, negative 40 less than "y" less than 40 , right bracey=−x+16−30>30>x−40<y<40
37
運算式 38: "y" equals negative "x" minus 12 left brace, negative 40 less than "x" less than 40 , right brace left brace, 36 greater than "y" greater than negative 40 , right bracey=−x−12−40<x<4036>y>−40
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運算式 39: "y" equals "x" minus 12 left brace, negative 40 less than "x" less than 40 , right brace left brace, negative 40 less than "y" less than 40 , right bracey=x−12−40<x<40−40<y<40
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運算式 40: negative "x" minus "y" equals 12 left brace, negative 40 less than "x" less than 40 , right brace left brace, 40 greater than "y" greater than negative 40 , right brace−x−y=12−40<x<4040>y>−40
40
運算式 41: "x" plus 12 equals "y" left brace, negative 25 less than "x" less than 25 , right brace left brace, 30 greater than "y" greater than negative 30 , right bracex+12=y−25<x<2530>y>−30
41
運算式 42: negative "x" plus 12 equals "y" left brace, 40 less than "x" less than negative 40 , right brace left brace, negative 30 greater than "x" greater than 30 , right brace−x+12=y40<x<−40−30>x>30
42
運算式 43: negative "x" minus 6 equals "y" left brace, 40 less than "x" less than negative 40 , right brace left brace, negative 30 greater than "x" greater than 30 , right brace−x−6=y40<x<−40−30>x>30
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運算式 44: "x" plus 6 equals "y" left brace, 40 greater than "x" greater than negative 40 , right brace left brace, negative 30 less than "y" less than 30 , right bracex+6=y40>x>−40−30<y<30
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運算式 45: negative "x" plus 6 equals "y" left brace, 40 greater than "x" greater than negative 40 , right brace left brace, negative 30 less than "y" less than 30 , right brace−x+6=y40>x>−40−30<y<30
45
運算式 46: "x" minus 6 equals "y" left brace, 40 greater than "x" greater than negative 40 , right brace left brace, negative 30 less than "y" less than 30 , right bracex−6=y40>x>−40−30<y<30
46
運算式 47: "y" equals "x" minus 8 left brace, 40 greater than "x" greater than negative 40 , right brace left brace, negative 30 greater than "y" greater than 30 , right bracey=x−840>x>−40−30>y>30
47
運算式 48: "y" equals negative "x" plus 8 left brace, 40 greater than "x" greater than negative 40 , right brace left brace, negative 30 greater than "y" greater than 30 , right bracey=−x+840>x>−40−30>y>30
48
運算式 49: "y" equals negative "x" minus 8 left brace, 40 greater than "x" greater than negative 40 , right brace left brace, 30 greater than "y" greater than negative 30 , right bracey=−x−840>x>−4030>y>−30
49
運算式 50: "y" equals negative "x" minus 16 left brace, 40 greater than "x" greater than negative 40 , right brace left brace, 30 greater than "y" greater than negative 30 , right bracey=−x−1640>x>−4030>y>−30
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運算式 51: "y" equals 0 left brace, negative 30 less than "x" less than 30 , right bracey=0−30<x<30
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運算式 52: "y" equals negative "x" plus 10 left brace, 40 greater than "x" greater than negative 20 , right bracey=−x+1040>x>−20
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運算式 53: "y" equals negative "x" plus 14 left brace, 40 greater than "x" greater than negative 20 , right bracey=−x+1440>x>−20