a number of soilders when divided into groups of three,five or seven,will give a remainder of 2.
a number of soilders when divided into groups of three,five or seven,will give a remainder of 2.
(a)what is the least number of soldiers?
(b)if there were about 3000 soldiers,then find its actual number.
(a)what is the least number of soldiers?
(b)if there were about 3000 soldiers,then find its actual number.
英語(yǔ)人氣：420 ℃時(shí)間：2020-05-17 22:06:07
優(yōu)質(zhì)解答
a.3,5,7的最小公倍數(shù)是105,余數(shù)為2,故105+2=107The least number of soldiers is 107b.3000/105 在28-29之間28x105+2=294229x105+2=30473047更接近3000,所以the actual number is 3047
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