where is your picture?
需要知道正三角形ABC的邊長.
三角形ABC的周長=螞蟻B走的距離-螞蟻A走的距離=（1.8-1）×?xí)r間
求出時間就行了.
1、As is shown in the picture, two ants are walking along the side of a standard triangle;
1、As is shown in the picture, two ants are walking along the side of a standard triangle;
1、As is shown in the picture, two ants are walking along the side of a standard
triangle; they start at the same time from Point A and Point B to Point C. Ant A
waik along the side clock wisely(順時針)by 1cm per second; AntB get back when meet
Point A or C by 1.8cm per second. How long will Anta and B meet each other for
the first fime?
1、As is shown in the picture, two ants are walking along the side of a standard
triangle; they start at the same time from Point A and Point B to Point C. Ant A
waik along the side clock wisely(順時針)by 1cm per second; AntB get back when meet
Point A or C by 1.8cm per second. How long will Anta and B meet each other for
the first fime?
英語人氣：348 ℃時間：2020-06-07 17:41:54
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