．
4．直接写出得数．
0 154836 154844 154850 154854 154860 154862 154866 154872 154874 154880 154886 154890 154892 154896 154902 154904 154910 154914 154916 154920 154922 154926 154928 154930 154931 154932 154934 154935 154936 154938 154940 154944 154946 154950 154952 154956 154962 154964 154970 154974 154976 154980 154986 154992 154994 155000 155004 155006 155012 155016 155022 155030 199269
| 0.6×0.5= | 0.64÷0.8= | 5.85×1000= | $\frac{2}{3}$÷2= |
| $\frac{3}{4}$×$\frac{2}{9}$= | 1-3÷6= | 1.25×3×8= | $\frac{5}{7}$×8÷$\frac{5}{7}$×8= |
如图所示，把底面直径4厘米的圆柱切成若干等份，拼成一个近似的长方体的表面积比原来增加40平方厘米，那么长方体的体积是（ ）立方厘米．