是ADN吗?

是ADN吗? living in between cattle A adn cattle 点M、N分别是平行四边形ABCD的边BC、CD上的点,且MN‖BD,则△ADN的面积和△ABM的面积大小怎样? 点M,N分别是边长为2正方形ABCD的两边BC,CD上的两个动点,且始终保持AM和MN垂直 ,当BM= 时△ADN面积最 我想请问这 clay adn plant face mask purifier是什么意思? What's difference between Chinese education adn American edu 英语翻译It is a mysterious thing adn scientists are still stryin Write about the things that are the same adn different betwe the bridge suddenly broke adn the boy fell into the water go ____(read) the new words on the blackboard joe adn nick 一般过去式的问题I had left it on a chair beside the door adn now it c语言编程 已知等差数列的第一项为a,公差为d,求前n项之和,adn由键盘输入