| 摘要 |
An electric apparatus for a game includes a display unit, an operational unit, and an input unit. The display unit displays a mathematic expression including a plurality of parameters and corresponding values of the parameters. The operational unit calculates a correct answer of the mathematic expression. The input unit allows at least one player to input selected answer of the mathematic expression. The mathematic expression is displayed on the display unit before input of the selected answer. The correct answer of the mathematic expression is displayed after input of the selected answer. A method for playing a game includes displaying a mathematic expression including a plurality of parameters and values of the parameters on a display unit, inputting selected answer of the mathematic expression by at least one player, and displaying a correct answer of the mathematic expression.
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