7．40——青夏教育精英家教网——

7．40

6．1，4

5．AC

2．D

1．C

4．B

3．D

2．A

1．D

10．

将圆按向量平移后，得到圆，则圆的半径为____________；其圆心坐标为____________．

0 52646 52654 52660 52664 52670 52672 52676 52682 52684 52690 52696 52700 52702 52706 52712 52714 52720 52724 52726 52730 52732 52736 52738 52740 52741 52742 52744 52745 52746 52748 52750 52754 52756 52760 52762 52766 52772 52774 52780 52784 52786 52790 52796 52802 52804 52810 52814 52816 52822 52826 52832 52840 447348