A.2 | B.5 | C.20 | D.25 |
A.甲<乙 | B.甲=乙 | C.甲>乙 |
A.7.8×0.12 | B.0.78×12 | C.780×0.012 |
A.10倍 | B.100倍 | C.1000倍 |
A.4.13×5.37 | B.41.3×53.7 | C.413×0.537 |
A.0.03 | B.0.3 | C.3 |
A.首位 | B.末位 | C.小数点 |
A.0.024 | B.2.4 | C.24 | D.240 |
A.0.57×2.1 | B.0.57×0.9 | C.57×0.021 | D.0.57×0.21 |
A.2×13.2 | B.0.2×0.132 | C.13.2×0.02 |