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谁说外国人都不能心算?德国驾照考试里计算多的是:

根据当前车速算出一秒走多少米:时速*3
根据当前车速算出刹停需要多少米:(时速/10)^2
(时速单位为km/h)

司机不可能随时带着计算器吧? twitter.com/yurii_yu/status/12

t.me/private_channel_c14370a/3

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