题目内容
【题目】2m= μm 1h 20min= s.
【答案】2×106;4800
【解析】解:
因为1m=106μm,所以2m=2×106μm;
因为1h=3600s,1min=60s,所以1h20min=1×3600s+20×60s=4800s.
所以答案是:2×106;4800.
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题目内容
【题目】2m= μm 1h 20min= s.
【答案】2×106;4800
【解析】解:
因为1m=106μm,所以2m=2×106μm;
因为1h=3600s,1min=60s,所以1h20min=1×3600s+20×60s=4800s.
所以答案是:2×106;4800.