14.下面的平面图,不能折成正方体的是( )
| A. | B. | C. |
13.下列分数中,能化成有限小数的是( )
0 136148 136156 136162 136166 136172 136174 136178 136184 136186 136192 136198 136202 136204 136208 136214 136216 136222 136226 136228 136232 136234 136238 136240 136242 136243 136244 136246 136247 136248 136250 136252 136256 136258 136262 136264 136268 136274 136276 136282 136286 136288 136292 136298 136304 136306 136312 136316 136318 136324 136328 136334 136342 199269
| A. | $\frac{6}{15}$ | B. | $\frac{7}{24}$ | C. | $\frac{1}{3}$ | D. | $\frac{5}{12}$ |