There are 48 students in class 51 and 54 students in class 52. If the students in these two classes are equally divided into several groups, and the number of each group in each class is equal, each group is the best How many more?

There are 8 groups in class one and 9 groups in class two, with 6 people in each group

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1. In a unit test, the average score of class 51 is 96. The average score of class 52 is 94. The total average score of the two classes is 95.04?
2. Class one is divided into four groups on average, and class two is divided into six groups on average. As a result, there are four more students in each group of class one than in each group of class two. How many students are there in these two classes?
3. The ratio of class 6 (1) to class 6 (2) is 8:7. If 8 students in class 6 (1) are transferred to class 6 (2), the ratio of class 6 (1) to class 6 (2) becomes 4:5?
4. The ratio of class 1 to class 2 is 8 to 7. If eight students from class 1 are transferred to class 2, the ratio of class 1 to class 2 is 4 to 5. How many students are there in each class
5. The ratio of class 6 (1) to class 6 (2) is 8:7. If 8 students in class 6 (1) are transferred to class 6 (2), the ratio of class 6 (1) to class 6 (2) becomes 4:5?
6. After 1 / 5 of class A is transferred to class B, the number of people in the two classes is equal. What is the number of people in class B?
7. From one eighth of class A to class B, the number of people in the two classes is equal. It turns out that the number of people in class B is a fraction of that in class A
8. From 1 / 9 of class A to class B, the number of class A is equal to that of class B. what is the number of class a
9. If 17% of class A is transferred to class B, the number of class A is equal to that of class B______ ．
10. When two fifths of class A is transferred to class B, the number of people in the two classes will be equal?
11. The number of students in class 52 is five sixths of that in class 51. How many times is the number of students in class 51? There are two classes How many parts of the total number of the two classes
12. There are two classes in Grade 5 of Guangming primary school, with 90 students, of which 54 are in class 51. What is the proportion of class 51 to the total number of grade 5? What is the proportion of class 52 to the total number of grade 5?
13. The number of extracurricular books read by the students of class 52 in winter vacation accounts for a few percent of the total number of students in the class Three or more than one tenth 1. Have all the students of class 52 participated in the reading activities? Why? What questions can you ask
14. There are 30 boys and 24 girls in class 52. (1) the number of girls is a fraction of the number of boys, and the number of boys is the whole class
15. For children's day, the number of chorus competition in May 1 classes is 3/2 in class 52, and 40 in two classes. How many people in the two classes compete in the competition?
16. 2.15 hours=______ Points
17. How many hours is three hours and fifteen minutes
18. What is 2.3 hours and 15 minutes
19. Four hours and fifteen minutes are equal to () hours
20. What fraction of an hour is 2 hours 15 minutes RT is a short answer question, please don't give an answer 3Q directly