4.8.1×0.9○8.1,○里应填( )
A. | > | B. | < | C. | = |
3.8.2×1.54的积有( )位小数.
A. | 2 | B. | 3 | C. | 4 |
2.下面的图形中,( )最不容易变形.
0 157765 157773 157779 157783 157789 157791 157795 157801 157803 157809 157815 157819 157821 157825 157831 157833 157839 157843 157845 157849 157851 157855 157857 157859 157860 157861 157863 157864 157865 157867 157869 157873 157875 157879 157881 157885 157891 157893 157899 157903 157905 157909 157915 157921 157923 157929 157933 157935 157941 157945 157951 157959 199269
A. | B. | C. |