In the past,people used --- to calculate fast.(abacus)

学习 时间:2026-09-26 13:08:05 阅读:6833
In the past,people used ___ to calculate fast.(abacus)

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眼睛大的火

优雅的铃铛

2026-09-26 13:08:05

In the past,people used _abacuses__ to calculate fast。(abacus)

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  • 稳重的战斗机
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    2026-09-26 13:08:05

    In the past,people used _abacuses__ to calculate fast。(abacus)

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