moi chu so cua mot so nguyen duong la 1 hoac 2 hoac 3.cho rang moi chu so 1,2 va3 say ra it nhat 2 lan
so nho nhat do la gi ma khong phai chia het cho 2 hoac 3
How many 5-digit numbers contain all the digits 1, 2, 3, 4 and 5 and have the property that the difference between each pair of adjacent digits is at least 2?
Pat has a number of counters to place into the cells of a 3 x 3 grid. She may place any number of counters in each cell or leave some of the cells empty. She then finds the number of counters in each row and each column. Pat is trying to place counters in such a way that these six totals are all different.
What is the smallest total number of counters that Pat can use?
Find the least integer number x such that 4/x-3 is the integer number.
When a particular six-digit number is multiplied by 2, 3, 4, 5 and 6 respectively, each of the
products is still a six-digit number with the same digits as the original number but in a different
order. Find the original number.
The number of the value of x such that x-3/x is the integer number. Answer:...... number(s).
Ai nhanh được tick nha!Cố gắng lên nào.
The number of the value of x such that x-3/x is the integer number.
Answer: number(s).
The number of values of x such that \(\frac{\sqrt{x}+1}{\sqrt{x}-3}\) is an integer is
Find the smallest integer value of x such that: 2x+3>5
Gốc: What is the positive number divided by 4 gives a remainder of 2, divided by 5 gives a remainder of 3, divided by 6 gives remainder of 4?
Dịch: Tìm số nguyên dương nào sao cho chia cho 4 dư 2, chia cho 5 dư 3, chia cho 6 dư 4?
*Tạm dịch như thế, có gì sai nhờ mọi người sửa giúp ạ!*
Ghi rõ bài giải và đáp án nhé, cảm ơn mọi người rất nhiều! :)