The sum is 720. 6的前15个倍数是6,12,18,24,⋯,84,90.这些的倍数的总和是多少? 解析一:15的6的倍数的平均值是中间数字,即第8个数字.第八个数字8×6=48.那么15个乘的总和为15×48=720. 解析二: (1) S=6+12+18+24+⋯+84+90 (2)S=90+84+78+72+⋯+12+6 (3)2S=96+96+96+...
Please list 5 for each.2) Do 3 and 5 have any common multiple? If yes, what are they? What is the smallest number among all their common multiples? 相关知识点: 试题来源: 解析 1) 3,6,9,12,15\cdots ; 5,10,15,20,25\cdots2) Yes; 15,30\cdots ; 15 ...
(1) What are the multiples of 3? Please list the first five. (2) What are the multiples of 5? Please list the first five. (3) What is the lowest common multiple of 3 and 5? 相关知识点: 试题来源: 解析 3,6,9,12,15;5,10,15,20,25;15 ...
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The multiples of 3 are 3, 6, 9, , , ⋯ The multiples of 5 are 5, , A number that is a multiple of two or more numbers is a common multiple. Thus, a common multiple of 3 and 5 is . (2) What are the common multiple of 2 and 3? The multiples of 2 are 2,4,6,8,10...
What are the Multiples of 5? - Important Notes, How to Calculate the Multiples of 5, FAQs, Solved Examples, and more.
What are the Multiples of 10? - Important Notes, How to Calculate the Multiples of 10, FAQs, Solved Examples, and more.
10 20 30...190 这些数字的平均数是多少 (10+20+30+40...+190)/19
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