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Math formula calculation problems in the second volume of the fourth grade of primary school
Give 25 questions as follows:

1。 2.5 times a number is 38 times more than 6/ 10. Find this number.

2. What is the quotient of the sum of10 and 100 divided by their difference?

3, 125 minus 12% and then multiply it. What is the product? What is the result of dividing the sum of 25 of 4.8 by 4 times of 5.3?

5. A number is more than three times that of 45. How did you find this number? 6. Adding 2.5 to a certain number equals to finding a certain number.

7. How many meters is it longer than rice? 8. What is the product of the difference between the sum and the product?

9. What is the reciprocal of? 10 and 2 1 are fractions of 35?

1 1, a number is 25, find this number. 12, a number divided by 16, the quotient is, what is this number?

13, divided by quotient times, what is the product? 14, the sum of a number is equal to the difference between 14.3 and 6. 1. Find this number.

What is the reciprocal of 15, plus and? 16, 30% of a number is 123, what is it?

17, a number is 4.5 more than 50, how to find this number? 18, if more than one number, it is 45. Find this number.

19, plus, multiplied by 4, what is the product? 20. The number of B is 20% more than 40. What's the number of B?

2 1 is more than 80% of a number. The number 12 is 45.6. What is the number?

What is the sum of the quotient of 22.0.2 1 divided by 2.4 times?

23. What is the quotient of the product of its reciprocal minus 0. 125?

24. 40% of a number is 20% less than 3.6. What's this number?

25. The number of A is 25% more than that of B. What percentage is A? What percentage is B less than A? What percentage of a number is b?

Adding the following answers should be enough.