Sihong Fortune Teller _ What are Sihong Fortune Tellers?

Is there something wrong with the previous question?

Either there are fewer numbers, fewer typos or fewer key sentences.

The first problem is generally factorized, such as a 98, a 2, a 1 1, and there are no numbers. . .

In the second question, I made up my mind that it should be the product of four different direct subordinates, and the minimum value is 2X3X5X7=2 10.

The third typo kills 39 = 3x1345 = 3x549 = 7x756 = 2x2x760 = 2x3x570 = 2x5x778 = 2x3x1384 = 2x3x791= 7x/kloc-0.

After decomposition, it is found that there are three 13, six 7 3, five 6 and three 9 2, and each group of numbers is 2x2x3x3x5x7x13.

There are 13 in the three numbers, so the three groups must be divided into three groups: 39 a b, 78 c d, 91e f.

More specifically, there are 3x3x5x7xx1378 left in group 56-56. If 39 doesn't have a number, it is 9 1 56 45, and the remaining 60 and 70 will be separated by 5, and 49 and 70 will be separated, so 60 49 78 will be a group of 39 70 84.

4 (a+b) x (a-b) =19961996 factorization 2X2X499 are two natural numbers, so a+b=998 a-b=2.