(1)Solutions:False, 6 is divisible by 3 but is not divisible by 9 (2)True, as 9=3x3. Hence, if a number is divisible by 9, it will also be divisible by 3 (3)False. Since 30 is divisible by both 3 and 6 but is not divisible by 18 (4)True, as 9 x 10 = 90. Hence,...
How many odd number(s) is / are divisible by 3 but not divisible by 5 from 1 to 1000?1至1000这1000个整数中有多少个奇数能被3整除,却不能被5整除? 相关知识点: 试题来源: 解析 134.[(10000)/3]-[(1000)/6]-[(1000)/(15)]+[(1000)/(30)]=333-166-66+33=134. ...
Ideal class groupReal quadratic fieldClass number11R11In this paper, we prove that there are infinitely many real quadratic fields with odd class number divisible by 3.doi:10.1007/s11139-023-00698-1Byeon DonghoSeoul National UniversityThe Ramanujan journal...
a number divisible by 2 especially : natural number (2) : an element (such as π) of any of many mathematical systems obtained by extension of or analogy with the natural number system (3) numbers plural : arithmetic Teach children their numbers.2...
:a total that is not specified:many anumberof accidents occur on wet roads 2 a :a unit belonging to a mathematical system and subject to its laws anumberdivisible by 2 b plural:arithmetic 3 :a quality of a word form that shows whether the word is singular or plural ...
must be divisible by all the following numbers except ( ).A. 6 B. 4 C. 2 D. 1 相关知识点: 试题来源: 解析 A A number divisible by 8(such as 8)may not be divisible by 6, but is divisible by 1,2, and 4. 下列哪个数字不能被8整除( ). A.6 B.4 C.2 D.1 可以被8整除的...
A number that is divisible by 3 has the sum of its digits divisible by 3. The number 210 satisfies all three conditions so 210 is the answer.我们首先考虑7的倍数来尽可能的减少数字量.在给定的范围内的7的倍数有203,210 ,217, ,294.因为数字必须能被5整除,所以必须以5或0结尾.而又因为一个数...
Without actual division, find whether 8998794 is divisible by 9? 02:32 Check whether 777 is divisible by both 3 and 9? 06:49 Check whether 312792 is divisible by 3,by 3 and by 6? 04:27 Check whether 321729 is divisible by 3 and by 6? 03:50 Check whether 197232 is divisible by ...
Check whether the given number are divisible by 3 ? 296 02:34 Check whether the given numbers are divisible by 5 or not :205 02:33 Check whether the given numbers are divisible by 5 or not:4560 02:00 Check whether the given numbers are divisible by 5 or not:402 02:43 Check whether...
Any even number can be written as 2m, and any number divisible by 3 can be written as 3n, where m and n are integers. Thus, E^2F^3 equals (2m)^2(3n)^3=(4m^2)(27n^3)=108(m^2n^3), and 108 is the largest number by which E^2F^3 must be divisible....