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悬臂梁两种状态的弯矩图如图所示，图乘结果是（ ）
<img alt="" height="156" src="/api/uploads/2078599/in-rich-contentcreated_at=1649150452" width="242">(单选题)
.<img alt="" height="40" src="/api/uploads/2078600/in-rich-contentcreated_at=1649150452" width="35">
.<img alt="" height="40" src="/api/uploads/2078601/in-rich-contentcreated_at=1649150452" width="41">
.<img alt="" height="40" src="/api/uploads/2078602/in-rich-contentcreated_at=1649150452" width="43">
.<img alt="" height="40" src="/api/uploads/2078603/in-rich-contentcreated_at=1649150452" width="35">

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出自：2024年国家开放大学答案

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