A.9.88 | B.98.8 | C.0.988 |
A.a>b | B.a=b | C.a<b |
A.扩大到原来的10倍 | B.缩小到原来的 | C.缩小到原来的 |
A.大于1的数 | B.小于1的数 | C.1 |
A.43.9×100+43.9 | B.43.9×(100+0.1) | C.43.9×0.1+43.9×100 |
A.能 | B.不能 | C.无法确定 |
A.多了1.8 | B.小了1.8 | C.多了1.2 | D.多了3 |
A.28×0.5×0.5 | B.28×0.2+28×0.05 |
C.7×(4×0.25) | D.20×0.25+8×0.25 |
A.3.4×1.6=1.6×3.4 |
B.3.51×4.9+3.51×5.1=3.51×(4.9+5.1) |
C.(0.25×4.6)×80=(0.25×80)×4.6 |
A.0.35×0.4 | B.0.35×0.5 | C.0.4×0.5 |