表达式11: polygon left parenthesis, "A" , "B" , "C" Subscript, "n" , Baseline , right parenthesispolygonA,B,Cn
11
表达式12: "d" Subscript, "o" "t" , Baseline left parenthesis, "u" , "v" , right parenthesis equals left parenthesis, "u" . "x" "v" . "x" plus "u" . "y" "v" . "y" , right parenthesisdotu,v=u.xv.x+u.yv.y
12
表达式13: "o" Subscript, "r" "t" "h" "o" , Baseline left parenthesis, "u" , right parenthesis equals left parenthesis, negative "u" . "y" , "u" . "x" , right parenthesisorthou=−u.y,u.x
13
隐藏 标签 "r" equals "B" minus "A"r=B−A
标签
equals=
left parenthesis, 10 , negative 2 , right parenthesis10,−2
14
隐藏 标签 "H" equals StartFraction, "d" Subscript, "o" "t" , Baseline left parenthesis, "r" , "C" Subscript, "n" , Baseline minus "A" , right parenthesis Over "d" Subscript, "o" "t" , Baseline left parenthesis, "r" , "r" , right parenthesis , EndFraction "r" plus "A"H=dotr,Cn−Adotr,rr+A
表达式16: polygon left parenthesis, "H" , "C" Subscript, "n" , Baseline , right parenthesispolygonH,Cn
16
表达式17: "x" Subscript, "m" , Baseline equals 19 fifthsxm=195
equals=
3.83.8
17
隐藏 标签 "O" equals left parenthesis, "x" Subscript, "m" , Baseline , "f" left parenthesis, "x" Subscript, "m" , Baseline , right parenthesis , right parenthesisO=xm,fxm
标签
equals=
left parenthesis, 3.8 , 2.0 2 , right parenthesis3.8,2.02
18
表达式19: "f" prime left parenthesis, "x" Subscript, "m" , Baseline , right parenthesis left parenthesis, "x" minus "x" Subscript, "m" , Baseline , right parenthesis plus "f" left parenthesis, "x" Subscript, "m" , Baseline , right parenthesisf′xmx−xm+fxm
19
20
技术支持
技术支持
left parenthesis, 4 , 2 , right parenthesis4,2
left parenthesis, 2 , 4 , right parenthesis2,4
left parenthesis, 7 , 6.5 , right parenthesis7,6.5
