题干

如图1所示,用A、B两刻度尺测同一木块的长,就使用方法而言,____尺不正确,错误是____,物体的长度是____cm,分度值是____.图2中速度表的示数是____.

上一题 下一题 0.0难度 选择题 更新时间:2010-05-04 08:41:31

答案(点此获取答案解析)

B,有刻度的一边没有紧靠被测物体,2.20cm,1mm,80km/h

同类题2

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