8.计算下面各题,怎样计算简便就怎样计算.
0 158014 158022 158028 158032 158038 158040 158044 158050 158052 158058 158064 158068 158070 158074 158080 158082 158088 158092 158094 158098 158100 158104 158106 158108 158109 158110 158112 158113 158114 158116 158118 158122 158124 158128 158130 158134 158140 158142 158148 158152 158154 158158 158164 158170 158172 158178 158182 158184 158190 158194 158200 158208 199269
326×15 | 24.96÷4.8 | $\frac{2}{7}$+$\frac{7}{9}$ | $\frac{8}{9}$÷$\frac{16}{17}$ |
320×11% | 485-720÷(15×12) | ($\frac{9}{10}$+$\frac{3}{4}$)×$\frac{5}{6}$-$\frac{1}{2}$ | 72000÷125÷8 |
38×99 | 0.63×9.9+9.9×0.37 | 314×87÷(3.14×3) | 36×($\frac{1}{4}$+$\frac{1}{9}$-$\frac{1}{12}$) |
25.6×1.6+8.4 |