19.口算.
0.8×25= | 8.07×1000= | 0.45÷10= |
0.45×0.1= | 0.06×0.7= | 0.39÷0.3= |
1.44÷2= | 3.75-0.05= | 0.33+0.66= |
17.( )的结果大于1.
0 164224 164232 164238 164242 164248 164250 164254 164260 164262 164268 164274 164278 164280 164284 164290 164292 164298 164302 164304 164308 164310 164314 164316 164318 164319 164320 164322 164323 164324 164326 164328 164332 164334 164338 164340 164344 164350 164352 164358 164362 164364 164368 164374 164380 164382 164388 164392 164394 164400 164404 164410 164418 199269
A. | 0.99÷1 | B. | 0.99÷0.1 | C. | 0.99×0.1 |