| A．0.1 | B．0.01  | C．0.001 |
| A．0.83×1 | B．0.83÷1 | C．1÷0.83 |
| A．912÷57 | B．9.12÷5.7 | C．9120÷57 | D．0.912÷0.057 |
| A．41 | B．410 | C．41 |
| A．商较大 | B．积较大 | C．相等 |
。| A．8 | B．80 | C．800 | D．8000 |
| A．4.16666 | B．5.02323 | C．8.9808080… | D．3.1415926 |
| A．304 | B．304.2  | C．300 |
A． | B． | C． |
| A．3.6×6.25 | B．3.6×0.625 | C．0.36×625 | D．360×6.25 |
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