题目学校八年级师生共466466466人,准备到教育实践基地参加研学旅行,现准备了494949座和373737座两种客车共101010辆,刚好坐满,设494949座客车xxx辆,373737座客车yyy辆,根据题意可列出方程组( )A.{x+y=1037x+49y=466\left\{\begin{array}{l}x+y=10\\ 37x+49y=466\end{array}\right.{x+y=1037x+49y=466B.{x+y=10,49x+37y=466\left\{\begin{array}{l}x+y=10,\\ 49x+37y=466\end{array}\right.{x+y=10,49x+37y=466C.{x+y=46649x+37y=10\left\{\begin{array}{l}x+y=466\\ 49x+37y=10\end{array}\right.{x+y=46649x+37y=10D.{x+y=46637x+49y=10\left\{\begin{array}{l}x+y=466\\ 37x+49y=10\end{array}\right.{x+y=46637x+49y=10知识点:由实际问题抽象出二元一次方程组章节:方程与不等式 / 二元一次方程组