12.下列二次根式中,与$\sqrt{3}$能合并的是( )
| A. | $\sqrt{24}$ | B. | $\sqrt{27}$ | C. | $\sqrt{96}$ | D. | $\sqrt{0.5}$ |
8.下列图形中,∠1与∠2是对顶角的是( )
0 282679 282687 282693 282697 282703 282705 282709 282715 282717 282723 282729 282733 282735 282739 282745 282747 282753 282757 282759 282763 282765 282769 282771 282773 282774 282775 282777 282778 282779 282781 282783 282787 282789 282793 282795 282799 282805 282807 282813 282817 282819 282823 282829 282835 282837 282843 282847 282849 282855 282859 282865 282873 366461
| A. | B. | C. | D. |