"How many children have you,and how old are they?" asked the guest,a math matics teacher.
题目
"How many children have you,and how old are they?" asked the guest,a math matics teacher.
"I have three boys," said Hr.Cmith.The product of their ages is 72 and the sum of their ager is the street number.
The guest went to look at the entrance,back and said :the problem is indeterminate.
Yes,that is so,said Mr.Smith,but Istill hope that the oldest boy will some day win the Stan ford competition.
Tell the ages of the boys,stating your reasons.
(答案+翻译)
(好的追加分)
答案
“你有几个孩子?他们多大了?”那个身为数学老师的来宾问道. “我有三个儿子.”史密斯先生(应该是Mr·Smith)说,“他们的年龄的乘积是72,总和是街道的编号.” 那来宾走过去望了街道入口,回来说:“这问题(的答案)是...
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
- 兴什么的abb的词语
- do you have time now 写出同义句
- 过点p(2,4)且垂直与向量n=(4,2)的直线方程为
- 英语翻译
- 【关于书籍的名词解释】
- 以A开头的单词的发音特点
- 选词填空 :Sandy plays tennis ( )in the school tennis team A:happy B:nice C:well D:good
- 我们社团举行灯谜竞猜,想设个字谜的谜王,一句一个字,答案是“挪亚方舟文学社”
- 若一个中学生的质量为40千克,求它的体积?
- 修改病句:中秋节的夜晚,仰望星空,只见一弯明月高悬,月光皎洁,繁星缀满夜幕,这幅美景为我们赏月增添了好心
热门考点