| A．商较大 | B．积较大 | C．一样大 |
| A．0.03 | B．0.3 | C．3 |
| A．0.5×1 | B．0.5×0.5 | C．0.5×1.5 |
| A．7.4×0.64 | B．0.74×64 | C．0.74×6.4 | D．0.074×64 |
| A．304 | B．304.2  | C．300 |
| A．3.6×6.25 | B．3.6×0.625 | C．0.36×625 | D．360×6.25 |
| A．0.56 | B．56 | C．560 |
| A．63.7×8 | B．75×8.1 | C．7.77×52 | D．58×9.4 |
| A．0.012 | B．0.72 | C．2.45 | D．3.015 |
| A．1.2×4.5 | B．0.12×45 | C．120×0.45 |
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