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Celebrities' birthdays have their own characteristics, so what are they?
As we all know, celebrities and great men have unusual personal characteristics. If you study algebra and count their birthdays, you will find that all the birthdays of celebrities and great men have the following characteristics: for example, Einstein's birthday is 1879 March 14, and the dates are written together as 18793 14. Randomly arrange this number to get another number, for example, 4 187 139. Subtract the small number from the big number to get a difference: 4187139-1879314 = 2307825. Add the digits of the difference to get a number, 2+3+0+7+8+2+5 = 27, and then add the digits of this number, and the sum is 9. In other words, the largest single digit of 9 is finally obtained. Calculate the mathematician Gauss' birthday according to the above method: Gauss was born on1867165438+1October 7, so a number 1867 1 17 can be obtained, and the rearranged number is/for example. The difference is1867117-167781= 669336. Calculate the sum of its digits: 6+9+9+3+3+6 = 36, and then calculate the sum of digits. Similarly, the largest single digit 9 is finally obtained. All famous people's birthdays have this feature. This is a "necessary condition" for becoming a celebrity. Students, do you think your date of birth is enough to become a "necessary condition" for becoming a celebrity? Hurry up and calculate! Do you know why?