10．用竖式计算，能简算的要简算．
0 165007 165015 165021 165025 165031 165033 165037 165043 165045 165051 165057 165061 165063 165067 165073 165075 165081 165085 165087 165091 165093 165097 165099 165101 165102 165103 165105 165106 165107 165109 165111 165115 165117 165121 165123 165127 165133 165135 165141 165145 165147 165151 165157 165163 165165 165171 165175 165177 165183 165187 165193 165201 199269
| 43.6-17.8+6.4-12.2 | 12.5×0.25×3.2 | （18.5+27.83÷4.6）×0.2 |
| 2.31×2.5+2.5×7.69 | 6.5×98 | 5.25÷[（1.2+0.05）×1.4] |