两根蜡烛长短粗细都不一样.长的可以燃十一个小时,短的可以燃七个小时.如果同时点燃两根蜡烛,三小时后,两根蜡烛长度一样,求两只蜡烛各自的原始长度.I think we still lack some data if we have to solve this questi...
Can anyone please help me answer this maths question?
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