中考物理常见单位换算9大类
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简介
一、时间单位换算 1h = 60min 1min = 60s 1h = 3600s 0.5h = 30min 15min = 0.25h 180s = 3min 30min = 1800s 2.5h = 150min 900s = 15min 1.5min = 90s 4h = 240min 120min = 2h 0.25h = 900s 360s = 0.1h 10min = 600s 0.5min = 30s 二、长度单位换算 1km = 1000m 1m = 10dm 1m = 100cm 1m = 1000mm 1dm = 10cm 1cm = 10mm 1mm = 1000μm 1μm = 1000nm 1m = 10⁶μm 1m = 10⁹nm 5km = 5000m 2.5m = 250cm 50cm = 0.5m 100mm = 10cm 0.5km = 500m 1nm = 10⁻⁹m
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