Four zeros and four Sevens make up an 8-digit number. What is the number of three zeros that are read-only?

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• 1. Mathematics: use four zeros and five ones to form a nine digit number as required. Read only one number of zeros; (). Read only two numbers of zeros; () Mathematics: use four zeros and five ones to form a nine digit number as required. Read only the number of one zero; (). Read only the number of two zeros; (). Read only the number of none of zeros; ()
• 2. Which six digits can be made up of three eights and three zeros?
• 3. How many six digits can three sixes and three zeros make up
• 4. Use three sixes and three zeros to form six digits, so that they meet the following requirements respectively Don't read a zero Read only a 0 3. Read only two zeros [write as many as you have]
• 5. Make up six digits with three 3S and three zeros Do not read a zero, read a zero, read two zeros, do not make mistakes!
• 6. Use 1, 2, 3 and three zeros to form a six digit read-only two zeros More than seven!
• 7. 2.3.6.0.0.0 six digit system can only read three zeros
• 8. What's the sum of 14 / 15 plus 4 / 5 and 7 / 16, and then divide by 3 / 4
• 9. Trapezoidal perimeter calculation formula emergency
• 10. What's 2500 times three fifths?
• 11. Use any four of the five numbers 8, 6, 0, 0, 2 to form the minimum four digits of a read-only zero
• 12. Use 7, 6, 5, 4, and 3 zeros to form the largest 7 digits of a read-only two zeros Want the best! The faster, the more points!
• 13. There are two numbers of large and small, and the sum is 34.34. If you move the decimal point of the lower decimal to the right two places, it will be the same as the large number. What are the two numbers
• 14. The sum of the big and small numbers is 199.98. If the decimal point of the smaller number is removed and the two numbers are equal, what are the two numbers
• 15. When he read a decimal, he didn't see the decimal point clearly. As a result, he read it as 6.54408, but the original decimal had to read three zeros. The original decimal was too many
• 16. After moving the decimal point of a number to the right, the number is 9.9 larger than the original number
• 17. If the decimal point of a number is moved one place to the right, the number obtained is 2.25 larger than the original number, and the original number is______ ．
• 18. If the decimal point of a number is moved one place to the right, the number obtained is 2.25 larger than the original number, and the original number is______ ．
• 19. The sum of a and B is 49.5. If you move the decimal point of B one place to the left, it will be equal to A. what is the difference between a and B?
• 20. The sum of a and B is 27.5. If you move the decimal point of B one place to the right, it will be the same as a. what is a twenty-five B = 27.5 / 11 = 2.5 A = 10 * 2.5 = 25 twenty-seven