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用游标卡尺测量某物体的厚度,如图所示,则从卡尺上可以读出物体的厚度,是__________。
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试题答案:
【答案】21.7 mm 【考情点拨】本题考查了游标卡尺的读数的知识点。
【应试指导】21 mm+0.1×7 mm=21,7mm
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