55 students from class 5 (1) of a school formed a large circle. From the first student, the number was counted by 1, 2, 3 and 4. When the last student finished the report, the first student continued to report down according to the law. A total of 6 circles were reported. When the seventh circle began, the first student reported how many, there was a formula, and then, explain why, talk about analysis

There are 55 students, so a circle is 55, a total of 6 laps, 55 * 6 = 330, that is to say, the last student in the sixth circle is 330, then the first student in the seventh circle reported 331

The students in the military training stand in a row, and the instructor asks them to count the number according to 1, 2, 3, 4, 5, 6, and the last one to report

What is the remainder of the total number of military training divided by six? What is the last reported number
If the remainder is 0, the reported number is 6

In P.E. class, students stand in a row, and the teacher asks them to report the number in cycles of 1, 2, 3, 4, 5. The last one is 1. If there are no more than 50 students in this row, How many students are there at most in this row,

+ 5 (5) × 1
There are at most 46 students in this row

In PE class, the students stand in a line. The teacher asks the students to count the number according to 1, 2, 3, 4 and 5. The number of students in this line is () people. (1) 26, (2) 27, (3) 28

（2）

There are 50 athletes in a line to count, 1-20 35-50 exit, at this time, how many athletes are on the playground?

34-20=14

On the playground stand in a row of 100 students to count the game, the rule is: each student in turn reported their own order of the reciprocal number plus 1 For example, the first student reported 1 / 1 + 1, the second student reported 1 / 2 + 1, and the third student reported 1 / 3 + 1!

∵ the number of the first student's report is 11 + 1 = 21, the number of the second student's report is 12 + 1 = 32, the number of the third student's report is 13 + 1 = 43,

There are 46 students standing in a row and counting by 1234. What is the last student's report? If the first student is listed, how many are listed

The last one was two, and twelve more

100 students are arranged in a row from left to right according to numbers 1 to 100, and then "1, 2" count to the last person, and those who report "2" will be out of the team; the remaining 50 students will start from the beginning "1, 2" to report the number, and those who report "2" will leave the team again If this goes on, what number is left in the end? Note: it is the column of newspaper 2!

There's No. 1 left
In the first round, 100 ÷ 2 = 50 people were listed
In the second round, 50 ÷ 2 = 25 people were listed
In the third round, more than 12 people were listed
In the fourth round, more than 16 people were listed
In the fifth round, 7 △ 2 = 3, more than 13 people were listed
In the sixth round, 4 ÷ 2 = 22 people were listed
In the seventh round, 2 ÷ 2 = 11 people were listed
The person who reported the number one didn't come out, so it was number one

One hundred people are arranged in a line according to the number 1 ~ 100. The one who says the number of two is one half of the team. The remaining 50 people report the number of two from the beginning. If this goes on, what number is the last person left Those who have been beaten up Absolutely can compare with Einstein For talents to answer this! Amen

The distribution of the whole number of people after each count is as follows. There is nothing worth discussing from the first 100 to 50 and from 50 to 25. Since 25 is odd, it can be listed directly and taken one by one
The last person left must be number one, because the others were taken away
100-50-25-13-7-4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
1 2 3 4 5 6 7 8 9 10 11 12 13
1 2 3 4 5 6 7
1 2 3 4
12
One

Students report by 1 ~ 2, then by 1 ~ 3, and finally by 1 ~ 7. It is found that the last person reported 1 every time. The teacher said that one person was absent today. How many students are there in this class

Because the minimum common multiple of 1, 3, 7 is 42, each time there are more than one person, so there are 43 students, or 87 students, but the class size is too large, so there are only 43 students. Do you understand? I wish you progress!