r = ${r_k} "X" equals left parenthesis, "M" . "x" plus "r" Subscript, "k" , Baseline , "M" . "y" , right parenthesisX=M.x+rk,M.y
标签:
equals=
left parenthesis, 7 , 2 , right parenthesis7,2
11
表达式12: "d" Subscript, "o" "t" 2 , Baseline left parenthesis, "M" minus left parenthesis, "x" , "y" , right parenthesis , right parenthesis equals "r" squareddot2M−x,y=r2k
12
表达式13: "t" Subscript, 12 , Baseline equals left bracket, 1 , negative 1 , right bracket times 1 fifth StartRoot, "r" squared minus 25 , EndRoott12=1,−1·15r2k−25
equals=
未定义
未定义
13
标签 left parenthesis, 7 , 5 , right parenthesis plus "t" Subscript, 12 , Baseline times left parenthesis, 3 , negative 4 , right parenthesis7,5+t12·3,−4
