7.直接写出得数.
73-37= | 38+45= | $\frac{8}{10}$-$\frac{5}{10}$= | 56×7≈ |
1-$\frac{3}{8}$= | 720-400= | $\frac{3}{5}$+$\frac{2}{5}$= | 11×2≈ |
6.合唱队有30人,其中女生占合唱队人数的$\frac{3}{5}$,男生有( )人.
0 163904 163912 163918 163922 163928 163930 163934 163940 163942 163948 163954 163958 163960 163964 163970 163972 163978 163982 163984 163988 163990 163994 163996 163998 163999 164000 164002 164003 164004 164006 164008 164012 164014 164018 164020 164024 164030 164032 164038 164042 164044 164048 164054 164060 164062 164068 164072 164074 164080 164084 164090 164098 199269
A. | 6 | B. | 18 | C. | 12 |