| A．a | B．b | C．c |
| A．7.4×0.64 | B．0.74×64 | C．0.74×6.4 | D．0.074×64 |
| A．0.35×0.19 | B．0.35×1.9 | C．3.5×1.9 | D．0.35×19 |
| A．22.776 | B．22.78 | C．22.77 | D．22.80 |
| A．85×0.92 | B．7.2×4.6 | C．8.9×4.8 | D．6.9×5.4 |
| A．0.26×5.25 | B．2.6×0.25 | C．0.26×52.5 |
| A．一位 | B．二位 | C．三位 |
| A．4.1×3.8 | B．4.5×3.8 | C．5.5×3.8 |
| A．4.9×0.33 | B．0.46×0.38 | C．0.35×4.7 | D．350×0.47 |
| A．一 | B．两 | C．三 |
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