表达式3: "y" equals 1 fifth "x" left parenthesis, "x" negative 2 , right parenthesis left parenthesis, "x" plus 3 , right parenthesis left parenthesis, 2 "x" minus 1 , right parenthesis left parenthesis, 5 "x" plus 4 , right parenthesis 有图表。 要进行音频跟踪,按“Alt 键 + T”。y=15xx−2x+32x−15x+4
3
表达式4: "y" equals 1 ninth "x" left parenthesis, "x" negative 2 , right parenthesis left parenthesis, "x" plus 3 , right parenthesis left parenthesis, 2 "x" minus 1 , right parenthesis left parenthesis, 5 "x" plus 4 , right parenthesis 有图表。 要进行音频跟踪,按“Alt 键 + T”。y=19xx−2x+32x−15x+4
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表达式5: "y" equals StartFraction, 1 Over 24 , EndFraction "x" left parenthesis, "x" negative 2 , right parenthesis left parenthesis, "x" plus 3 , right parenthesis left parenthesis, 2 "x" minus 1 , right parenthesis left parenthesis, 5 "x" plus 4 , right parenthesis 有图表。 要进行音频跟踪,按“Alt 键 + T”。y=124xx−2x+32x−15x+4