1What is the tens digit of positive integer x ?() (1)x divided by 100 has a remainder of 30. (2)x divided by 110 has a remainder of 30. A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条...
A. 0 B. 2 C. 4 D. 6 相关知识点: 试题来源: 解析 B 100000000=28×58, Like all powers of5⩾52,58 ends in”25”.100000000的最大奇数的十位数字是( ).A.0B.2C.4D.610000000=28×58,所有大于等于52的5的指数都以“25”结尾.故选B.反馈 收藏 ...
What is the tens digit of ? A: B: C: D: E: 相关知识点: 试题来源: 解析 A Notice that, for , is congruent to mod when is even and mod when is odd. Check for yourself. Since is even, mod and mod . So the answer is . In a very similar fashion, we find that mod , whi...
What is the tens digit of positive integer x ?() (1)x divided by 100 has a remainder of 30. (2)x divided by 110 has a remainder of 30. A. 条件(1)充分,但条件(2)不充分. B. 条件(2)充分,但条件(1)不充分. C. 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供What is the tens digit of positive integer x ?() (1)x pided by 100 has a remainder of 30. (2)x pided by 110 has a remainder of 30.A.条件(1)充分,但条件(2)不充分.B.条件(2)充分,但
If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k ? (1) The tens digit of k + 9 is 3. (2) The tens digit of k + 4 is 2. 选项: 答案: A 提问列表 提问 提问: K+4,能算的就是K=8,2)为何不对? 解答: 点赞0 阅读1032 ...
解析 D 7^(2011)的十位数字是几? 7的一次方,二次方,⋅ ⋅ ⋅ 是7,49,343,2401,16807.如你所见,最后两位数字在每4次方之后循环.71(mod 100)≡75(mod 100)≡72009(mod 100).从那里,我们再来两个次方.最后两位数字是43,所以十位数是4. 故选.反馈 收藏 ...
(In this way, we don't have to worry about the exponent very much.) Finally, 2017≡17( mod 100), and thus 20152016−2017≡25−17≡08( mod 100), as above.结果一 题目 What is the tens digit of 20152016−2017?( )A.0B.1C.3D.5E.8 答案 A相关推荐 1What is the tens...
What is the tens digit of 0! + 1! + 2! + 3! + ... + 2000!? In 217,534,896,000,000, which digit is in the ten-billions place? What whole number is not a counting number? What is a distinct digit? How many numbers from 1 to 10,000 contains number 7?
What is the tens digit of 0! + 1! + 2! + 3! + ... + 2000!? A 2-digit number is 9 times the sum of its digits. The tens digit is 7 more than the units digit. What is the number? What is the value of the digit 3 in the number 3,725.89?