So the total number of threedigit numbers that satisfy the property is . Alternatively, we could note that the middle digit is uniquely defined by the first and third digits since it is half of their sum. This also means that the sum of the first and third digits must be even. Since ...
6. Final Calculation: Total Numbers=3×5×4=60 Conclusion:The total number of three-digit numbers that can be formed between 400 and 1000 using the digits 0, 2, 3, 4, 5, and 6 without repeating any digit is 60. ---Updated on:7/8/2024 ...
Find the number of three-digit numbers possible if only the digits 0,1,2,3,4and5 may be used,the number must be a multiple of 5,and no digit may be used more than twice in the same number 相关知识点: 试题来源: 解析 一个三位数,只能由0,1,2,3,4,5来组成,它必须是5的倍数,这个...
What is the total number of different 5-digitnumbers that contain all of the digits 2,3,4,7 and 9 and in which none of the odd digits occur next to each other A. 12 B. 10 C. 8D. 6 E. 1 相关知识点: 试题来源: 解析 A 含有2,3,4,7和9这5个不同数字,且奇数相邻的5位数(...
Step 3: Calculate Total Numbers Between 300 and 3000Finally, we add the total number of three-digit numbers and four-digit numbers:Total Numbers=Total Three-Digit Numbers+Total Four-Digit Numbers=60+120=180 Final AnswerThe total number of numbers that can be formed between 300 and 3000 with...
故选C.结果一 题目 A 4-digit whole number is the sum of at most( )3-digit whole numbers.A.10B.19C.99D.100 答案 C相关推荐 1A 4-digit whole number is the sum of at most( )3-digit whole numbers.A.10B.19C.99D.100 反馈 收藏 ...
A three-digit number is 33 times the sum of its digits. Find all the digit numbers that satisfy the requirement.一个三位数是它各位数字之和的33倍,请求出所有满足要求的三位数. 相关知识点: 试题来源: 解析 112;232 解:设这个三位数为abc,那么这个三位数可以表示为100a+10b+c,根据题目,我们有10...
A student then drew a second distinct card and the digit had to be placed in one of the remaining two places of the 3-digit number and then drew a third distinct card to place the final digit, completing the 3-digit number. The student continued to draw distinct cards until three 3-...
A.4 B.6 C.8 D.9 (2) The sum of these 3-digit numbers is .( ) A.1223 B.1557 C.1998 D.2220 相关知识点: 试题来源: 解析 (1)B(2)C (1)There are in total 6 3-digit numbers that can be formed: 135, 153, 315, 351, 513, 531.(2)222* (1+3+5)=1998.反馈...
三个位置中选两个出来放同一个数，C(3,2)*C(9,1)，最后一个空八个数里选一个C(8,1)，合...