B.The last two digits are divisible by 4. C.The last three digits are divisible by 4. D.The sum of the digits within it is divisible by 4.相关知识点: 试题来源: 解析 B Multiples of 4 are characterized by their last two digit divisible by 4....
How many distinct four-digit numbers are divisible by 3 and have 23 as their last two digits?( )A.27B.30C.33D.81E.90 答案 BTo test if a number is divisible by three, you add up the digits of the number. If the sum is divisible by three, then the original number is a multiple...
if the solution to a quadratic equation is given how to find the base of a number Ti-89 quadratic equation holt rinehart and winston, homework and practice workbook holt middle school math course 3 Answers linear equations ax+by=c can a be a fraction algorithms for fourth graders works...
百度试题 结果1 题目【题目】How many distinct four-digit numbers are divisible by 3 and have 23 as their last two digits?()A.27B.30C.33D.81E.90 相关知识点: 试题来源: 解析 【解析】B
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The sum of the digits of a 2-digit number is 7, and the ones digit is 3 more than the tens digit. What is the number? Find the two-digit number which is 2 times the sum of its digits. A three-digit number, which is divisible ...
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divisible by 2 and 5. The number of 3,7,9 in this group is the same as number of 3,7,9 among 1 mod 10, 2 mod 10, ...,Nmod 10. This number can be counted easily - it isNdiv 10 +awhereais 1 if the last digit ofNis at least 3 (resp. at least 7 or at least 9). ...
CSU 1347: Last Digit 题目: Description The function f(n, k) is defined by f(n, k) = 1k + 2k + 3k +...+ nk. If you know the value of n and k, could you tell us the last digit of f(n, k)? For example, if n is 3 and k is 2, f(n, k) = f(3, 2) = 12 +...
375 Guess Number Higher or Lower II 486 Predict the Winner 543 Diameter of Binary Tree 356 Line Reflection 397 Integer Replacement 282 Expression Add Operators 408 Valid Word Abbreviation 321 Create Maximum Number 368 Largest Divisible Subset