1, the first translation: Try to find the sum of all prime numbers in 1- 100 that are multiples of 4 plus 1 and multiples of 5 minus 1.

Solution: The first number that meets the requirements is 29, and then add [4,5] in turn. 29,49,69,89,49 = 7 * 7, which is wrong, so the answer is 187.

2. In a triangle, the degrees of the three angles are x, 5x and 3x respectively. Q: What is the maximum angle?

Solution:180/(1+5+3) * 3 =100.