表达式7: left parenthesis, "x" minus 0.5 "a" , right parenthesis squared plus left parenthesis, "y" minus 0.5 "b" , right parenthesis squared equals .2 5 "a" squared plus .2 5 "b" squared 有图表。 要进行音频跟踪，按“Alt 键 + T”。x−0.5a2+y−0.5b2=.25a2+.25b2
7
表达式8: "c" equals StartFraction, "a" Over "a" squared plus "b" squared , EndFraction equals 0.2c=aa2+b2
equals=
0.20.2
8
表达式9: "d" equals StartFraction, "b" Over "a" squared plus "b" squared , EndFraction equals 0.4d=ba2+b2
equals=
0.40.4
9
表达式10: negative StartFraction, "a" Over "b" , EndFraction left parenthesis, "x" minus "c" , right parenthesis plus "d" 有图表。 要进行音频跟踪，按“Alt 键 + T”。−abx−c+d
10
隐藏 标签 left parenthesis, "c" , "d" , right parenthesis equals left parenthesis, 0.2 , 0.4 , right parenthesis 有图表。 要进行音频跟踪，按“Alt 键 + T”。c,d
标签
equals=
left parenthesis, 0.2 , 0.4 , right parenthesis0.2,0.4
11
标签 left parenthesis, "c" , negative "d" , right parenthesis equals left parenthesis, 0.2 , negative 0.4 , right parenthesis 有图表。 要进行音频跟踪，按“Alt 键 + T”。c,−d
标签:
equals=
left parenthesis, 0.2 , negative 0.4 , right parenthesis0.2,−0.4
12
表达式13:
13
14
技术支持
技术支持
left parenthesis, 1 , 2 , right parenthesis1,2
left parenthesis, 0.2 , negative 0.4 , right parenthesis0.2,−0.4
