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 紧急!
人气:358 ℃ 时间:2020-03-19 20:10:44
解答
题:A是一个自然数.如果从A中一次减去1,3,5,.若干个连续奇数,剩下29; 如果从A依次减去2,4,6若干个连续偶数,剩下13.求A的值.
29-13=16
每次偶数比奇数多见1
16个
29+(1+1+2*15)*16/2=285
推荐
- At the beginning of 2009,Miss Wong deposited a sum of money in a bank at an interest rate of 8% p.a.compounded yearly.If
- 急解答一道英文数学题.
- y=log3(x)的domain和range
- All the positive integers less than 49 are multiplied together.How many zeros will this product end in?
- 一道英语数学题求解!~急着!
- 已知A(2,5)在函数y=2x+m的图像上,判断A(-2 -3)是否在函数的图像上
- smoking,is ,a,teenagers,serious,the,study,shows,of,chinese,problem,among(连词成句.)
- 中国在那个半球
猜你喜欢
- 既然你已经来了,就在这住几天吧,用上now that 英语翻译
- 李叔叔买回5袋大米和5袋面粉.每袋大米重10分之89千克,每袋面粉重10分之57千克,大米和面粉共重多少千克?
- “别理我”英语怎么说?
- 已知圆的周长为157厘米,求圆的半径及圆的面积
- 帮我找六篇阅读的书 (要有阅读书名 书籍作者 精彩语句摘抄 阅读思考与点评)
- 100平方的房子大概用多少卷壁纸
- What do you have for lunch
- 6.1有50人,老师栽5棵,男生每人3棵,女生2棵,共120棵,有几名男生,几名女生