• 2022-06-06
    求从原点到直线[p=align:center][tex=10.071x2.786]V12vFeAkC+dF3aEtkezG0KWW3XT6KxoP/jTiiFknd26vOkMf6zmkaLS2O28A6lnA7CApzS/jyz9MuyUHPTP3cvr/hMKUYjOwIuYczVRHbV0=[/tex]的垂线和垂足.