10.甲数比乙数多6,甲数缩小10倍后是1.5,乙数扩大10倍后是( )
| A. | 0.9 | B. | 90 | C. | 2.1 | D. | 210 |
9.一个数乘以0.01,这个数就( )
0 160075 160083 160089 160093 160099 160101 160105 160111 160113 160119 160125 160129 160131 160135 160141 160143 160149 160153 160155 160159 160161 160165 160167 160169 160170 160171 160173 160174 160175 160177 160179 160183 160185 160189 160191 160195 160201 160203 160209 160213 160215 160219 160225 160231 160233 160239 160243 160245 160251 160255 160261 160269 199269
| A. | 扩大100倍 | B. | 缩小100倍 | C. | 不变 |