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六年级数学(时间-计时法+相隔时间)

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  • 1. Multiple-choice
    30 seconds
    1 pt

    以12时计时法写出0055的时的时刻。

    12:55a.m.

    12:55p.m.

    00:55p.m.

    00:55a.m.

  • 2. Multiple-choice
    30 seconds
    1 pt

    以24时计时法写出5:38p.m.的时刻。

    5:38a.m.

    5:38p.m.

    17:38a.m.

    17:38p.m.

  • 3. Multiple-choice
    30 seconds
    1 pt

    一台机器从上午5时27分操作至下午3时46分。这台机器操作了多久?

    10小时19分钟

    9小时19分钟

    7小时19分钟

    5小时19分钟

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