小胖和父母一起去杭州游玩,车在高速公路上飞快地行驶,只见一块块指路牌飞速地掠过.小胖留意了一下其中连续的两块指路牌,并同时看了一下表,距杭州400km-6点,距杭州240km-8点.请问小胖乘的
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小胖和父母一起去杭州游玩,车在高速公路上飞快地行驶,只见一块块指路牌飞速地掠过.小胖留意了一下其中连续的两块指路牌,并同时看了一下表,距杭州400km-6点,距杭州240km-8点.请问小胖乘的
小胖和父母一起去杭州游玩,车在高速公路上飞快地行驶,只见一块块指路牌飞速地掠过.小胖留意了一下其中
连续的两块指路牌,并同时看了一下表,距杭州400km-6点,距杭州240km-8点.请问小胖乘的车还要行驶几小时才能到达杭州?
小胖和父母一起去杭州游玩,车在高速公路上飞快地行驶,只见一块块指路牌飞速地掠过.小胖留意了一下其中连续的两块指路牌,并同时看了一下表,距杭州400km-6点,距杭州240km-8点.请问小胖乘的
(400-240)÷(8-6)=160÷2=80千米/小时
240÷80=3小时 答 还要3小时就到杭州了
3? 6 点到8点的平均速度是(400-240)/2=80km/h 还剩240km 240/80=3h
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