9999×7778+3333×6666．

9999×7778+3333×6666，=9999×7778+3333×3×2222，═9999×7778+9999×2222，=9999×（7778+2222），=9999×10000，=99990000；

RELATED INFORMATIONS

1. When an integer is multiplied by 13, the last three digits of the product are 123. What is the minimum number of such an integer?
2. When an integer is multiplied by 13, the last three digits of the product are 123. What is the minimum number of such an integer?
3. After a three digit number is multiplied by 13, the last three digits of the product are 123. Find this number
4. If the product of a number multiplied by 13 is an integer and the last three digits are 123, then the smallest number in such a certificate is many By the way, another 30 points
5. When an integer is multiplied by 13, the last three digits of the product are 123. What is the minimum number of such an integer?
6. 123 is both prime and odd Urgent
7. Use 123 numbers to form a prime number with three digits
8. 123*234*345*456=
9. 123+234+345+456+567+678
10. The least common multiple of 69 and 46
11. 999 * 2224 + 6666 * 16642012 * 2012-2010 * 20111999 + 199.9 + 19.99 + 1.999 how to calculate easily? 999 * 2224 + 6666 * 16642012 * 2012-2010 * 20111999 + 199.9 + 19.99 + 1.999 how to calculate easily?
12. Simple calculation: 999.9 * 0.28-0.666 * 370 The answer is 33.552
13. 999.9 * 0.28-6666 * 0.37 simple calculation
14. A simple algorithm of 234 + 98
15. A simple algorithm of 234 * 56 + 45 * 234-234
16. 234 * 36 + 63 * 234 + 234 simple algorithm
17. Excuse me, is there a simple calculation for 69 + 200 △ 25 × 13?
18. 963 × 123-321 × 69
19. 123123… What is the remainder of 123 divided by 99?
20. The sum of 123 + 2 times 123 + 3 times 123 +. + 123 times 123 divided by 7 is the remainder