題：A是一個自然數(shù).如果從A中一次減去1,3,5,.若干個連續(xù)奇數(shù),剩下29; 如果從A依次減去2,4,6若干個連續(xù)偶數(shù),剩下13.求A的值.
29-13=16
每次偶數(shù)比奇數(shù)多見1
16個
29+（1+1+2*15）*16/2=285
A is a natural number .if A subtracts 1,3,5...(some continous odd numbers )until it cannot subtract more ,the result wil
A is a natural number .if A subtracts 1,3,5...(some continous odd numbers )until it cannot subtract more ,the result will be 29 ;if A subtracts 2,4,6...(some continous even numbers )until it cannot subtract more ,the result will be 13 .so what is A 緊急!
英語人氣：300 ℃時間：2020-03-19 20:10:44
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