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People's education printing plate elementary school mathematics fourth grade second volume always reviews the additional question answer?
Meet for the first time, two cars * * * 1 the whole journey, one car195km.
When we met for the second time, two cars A and B, * * * made the whole journey three times, and one car made three trips of 95km, that is, 95x3 = 285km, 25km more than 1 trip.