如图,已知∠MON=30°,点A 1 、A 2 、A 3 …在射线ON上,点B 1 、B 2 、B 3 …在射线OM上,△A 1 B 1 A 2 、△A 2 B 2 A 3 、△A 3 B 3 A 4 …均为等边三角形,若OA 1 =1,则△A 5 B 5 A 6 的边长为______,△A 2012 B 2012 A 2013 的边长为______.
【简答题】Is this argument valid or invalid?Only social scientists are political scientists. Many political scientists are persons who favor campaign finance reform. Accordingly, many persons who favor campaign...
【单选题】Only social scientists are political scientists. Many political scientists are persons who favor campaign finance reform. Accordingly, many persons who favor campaign finance reform are social scienti...
【单选题】Is this argument valid or invalid? Only social scientists are political scientists. Many political scientists are persons who favor campaign finance reform. Accordingly, many persons who favor campaig...
【简答题】Sometimes called a steering lever, this forged steel component connects the drag link to the top portion of the driver’s side steering knuckle and spindle.