Question

某二人要对C出进行考察，甲在A处，乙在B处，基地在O处，此时，角AOB=90度，测得AC=5KM,BC=根号13KM,AO=BO=

AO=BO=2KM,如图所示，试问甲乙二人应以什么方向走，才能使两人的行程之和最小？

Answer 1

I do not rich, just a ordinary Chinese people, and her husband in 2010 earned a total of 22w, in fact, not many, ah, ah also common, but usually I'm also very frugal, ah , clothes, shoes have not been to 1k ah, are discounted when bought a year can save a mess 10w + it, in fact, save do not know why, can not afford to buy a house is, ah, investment do not know what the vote, see the luxury goods want to buy ah. But luxury goods prices rose a lot and, ah, ah I can not keep up revenue, such as CHANEL in recent years have risen faster from 1W + 3W block, ah, GUCCI,trampoline playground, also rose a lot of, ah, were previously 4,5 K, and now cheaper of all 7,8 k ah. Also afford to buy ah, think luxury is the feel ah. I CQ, CQ finally to the LV store, and want to buy a cheap speedy 30 it, feel very no good, the price is acceptable, 5500 like this, but do not know will not be out of stock, ah, basically too cheap We all use the grab. But even if I find affordable luxury ah.
entangled ah, I think is so much more than my money too much, I also CQ average family now, think about the 5000 + is easy to buy a bag, ah, to buy a 5000 soon, ah ipad , to only buy, and to the parents to buy computers, ah, also 5000, ah, ah 7000 ah buy a SLR camera, why spend 5500 to buy a bag thought to such a tangle, ah, ah fear of being scolded parents!
would like to ask in the end what income people can buy LV ah? ? ?
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Answer 2

图咧？？？