There are four six digit numbers: A, xxxxx; B, xyxy; C, xyyxyy; D, xyyxyx. We also know that x is a natural number smaller than 10, and Y is zero. Then, the number that can be divided by 2, 3 and 5 at the same time is______ .

There are four six digit numbers: A, xxxxx; B, xyxy; C, xyyxyy; D, xyyxyx. We also know that x is a natural number smaller than 10, and Y is zero. Then, the number that can be divided by 2, 3 and 5 at the same time is______ .


Because to be divisible by 2 and 5, the last digit must be 0, to be divisible by 3, the sum of all numbers can be divisible by 3, x + y + X + y + X + y = 3x, answer: the number that can be divisible by 2, 3 and 5 at the same time is XY. So choose B



The sum of a natural number and 4 can be divided by 6, and the difference between a natural number and 4 can be divided by 8?
Please list the equations


Let this number be x, and the two results are YZ
(x+4)÷6=y
(x-4)÷8=z
x=20



The sum of all numbers divisible by 9 between 100 and 500 is ()
A. 12699B. 13266C. 13833D. 14400


The minimum number between 100 and 500 that can be divisible by 9 is 108, and the number between 100 and 500 that can be divisible by 9 forms the arithmetic sequence with the first term A1 = 108 and tolerance d = 9. From 9N + 99 ≤ 500, the maximum number of n ≤ 4459100 to 500 that can be divisible by 9 is a44 = 9 × 44 + 99 = 495



Three consecutive natural numbers can be divided by 8, 9 and 10 respectively. What are the three smallest consecutive natural numbers greater than 9?


368,369,370