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小數學遊戲, 睇下有無人識計

Energy = Power x Time = Voltage x Current x Time
應該係用battery既mAh (current x time)
計番個electrical energy(J)
再計用電品既energy usage,
kWh/ kWh 既話就可以知用幾耐...
以上只係推測= =
人飄移,你飄移,人車胎出煙,你就引擎出煙

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