圆心在x轴上，半径为1，且过点（2，1）的圆的标准方程为_1_刷题宝

题干

圆心在x轴上，半径为1，且过点（2，1）的圆的标准方程为____

上一题下一题 0.0难度选择题更新时间:2018-04-19 09:54:30

答案(点此获取答案解析）

（x﹣2）²+y²=1

同类题1

下列化肥中，属于复合肥料的是( )

同类题2

下图为卵结构示意图，请据图回答

同类题3

（2015.福建莆田）

	Enjoy Harvesting Want to relax yourself? Want to experience country life? Come and pick litchi! Free for a taste. Price:￥20 per kilo Dates: July 20th-July 28th Add: Changlin village Tel:277-8688
	Fitness Band on sale Smartwatches without the watch Monitor speed, time, distance, caloties burned, etc. Long battery（电池）life (5 days) ￥800 （20% off for students) Tel:289-6799 Visit Sam Mall for more information.
	Ice and Snow Festival Charming Ice Carving Amazing World of Ice and Snow Welcome to Fenghuang Park! Dates: July 1st -July 25th ￥20 for each adult (half for each student) Tel:288-6299
	Super Pillow（枕头）Fight Party Pillow Fight, a popular activity among young foreigners, has now come to Putian. It's a creative way to release(释放) pressure and stress. Place:Putian Stadium Time:2:30-5:00pm, June 28th Fee:￥50 (pillow included) Tel:275-6588

同类题4

地球在太阳系中是一颗既普通又特殊的行星，其特殊性主要是指

同类题5

只要不起雾，飞机就按时起飞。以下哪项正确地表达了上述断定（　　）
①如果飞机按时起飞，则一定没起雾
②如果飞机不按时起飞，则一定起雾
③除非起雾，否则飞机按时起飞

小学学科试题库

初中学科试题库

高中学科试题库