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82问答网 > 用一把刻度均匀但不标准的米尺，量得一桌边长为0.987m，用标准尺量得米尺的长度为1.020m，则桌边的实际长

用一把刻度均匀但不标准的米尺，量得一桌边长为0.987m，用标准尺量得米尺的长度为1.020m，则桌边的实际长

2025-03-17 00:20:34

推荐回答（1个）

回答1：

由测量结果的数值0.987m=987mm，可知该刻度尺的分度值是1cm，即该刻度尺的一小格相当于实际长

1020

1000

mm，读数是0.987m=987mm，相当于987个

1020

1000

mm，故物体的实际长度应该是：987×

1020

1000

mm=1007mm=1.007m．
故选B

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