Jane的年齡是一個(gè)質(zhì)數(shù)（素?cái)?shù)） ,andy的年齡有8個(gè)因子并且他比jane大一歲
求他們年齡的和
有8個(gè)因子的數(shù),24是這樣一個(gè)數(shù)它的因子分別為1,2,3,4,6,8,12,24
而且24少一個(gè)23 是一個(gè)質(zhì)數(shù),剛好符合
所以它們的和是23+24 = 47
Jane's age is 's age is a prime number.Andy's age has 8 factors and he is one year older than Jane.Find the sum of their
Jane's age is 's age is a prime number.Andy's age has 8 factors and he is one year older than Jane.Find the sum of their age?
英語人氣：563 ℃時(shí)間：2020-02-04 08:01:33
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