一道数学题,用等比数列的求和知识:
Afrogjumps0.5m.Itthenjumps0.1mandoneachsubsequentjumptravels0.2mofthepreviousdistance.Findthetotaldistancethroughwhichthefrogjumps.
一只青蛙跳了0.5米,然后跳了0.1米,接下来每次跳的距离是之前距离的0.2倍,求青蛙总共跳的距离
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