设5个数中每相邻两个数之间的距离为x,
根据题意得:-7+4x=37,
解得:x=11,即三个数为4,15,26,
则三个数之和为4+15+26=45,
故答案为:45.
在-7与37之间插入三个数,使这5个数中每相邻两个数之间的距离相等,则这三个数的和是_.
在-7与37之间插入三个数,使这5个数中每相邻两个数之间的距离相等,则这三个数的和是______.
数学人气:327 ℃时间:2019-11-20 11:49:23
优质解答
我来回答
类似推荐
猜你喜欢
- 1一列火车上午10时40分从甲地开出,第二天上午9时25分到达乙地.这列火车每小时行驶75KM,问甲乙两地的距离是多少?
- 2从下列词语中至少选用五个词语组成一段话
- 3I like ____very much I often _____and_____in English class
- 4Bill usually______his face and brush his teeth at fast to seven in the morning.
- 5The river is too wide.I can not swim___(cross)it
- 6李华每天上学步行5分钟以后,跑步2分钟恰好到校.有一天,他步行2分钟以后就开始跑步,结果早到的1分40秒.那么他跑步的速度是步行速度的多少倍?
- 7纸盒里装水为什么纸盒烧不破
- 8若不等式mx²-2x+1-m<0对满足-2≤m≤2的所有m都成立,求实数x的取值范围
- 9Would you please help me with this heavy box?
- 10nobody knows the reason__she didn't come to the meeting.不是说the reason 后面的引导词可以省略