16.n是大于0的自然数,下列各式结果最大的是( )
A. | n×$\frac{2}{7}$ | B. | n÷$\frac{2}{7}$ | C. | n$÷\frac{3}{5}$ | D. | n×$\frac{3}{5}$ |
15.下面哪个图形不是正方体的展开图.( )
0 157878 157886 157892 157896 157902 157904 157908 157914 157916 157922 157928 157932 157934 157938 157944 157946 157952 157956 157958 157962 157964 157968 157970 157972 157973 157974 157976 157977 157978 157980 157982 157986 157988 157992 157994 157998 158004 158006 158012 158016 158018 158022 158028 158034 158036 158042 158046 158048 158054 158058 158064 158072 199269
A. | B. | C. | D. |