A.53×420 | B.54×320 | C.52×430 |
A.8 | B.9 | C.10 |
A.195 | B.285 | C.750 |
A.385×19 | B.511×12 | C.82×11 | D.203×60 |
A.小丽每分钟走60米,15分钟走了多少米? |
B.一辆汽车每小时行110千米,从嘉鱼到深圳行了9小时,嘉鱼到深圳的公路长多少千米? |
C.小亮骑车1小时行18千米,每分钟行多少米? |
A.630×13 | B.631×13-631 | C.631×11+631 | D.631×10+631+631 |
A.①② | B.①③ | C.②③ | D.③④ |
A.a>b | B.a=b | C.a<b |