I am happier than anyone in my heart. I also understand the truth that mathematics is full of mysteries, waiting for us to explore. I checked this problem with what I learned this semester: decomposing prime factors, and the results are exactly the same. I think: this question is really difficult: one of these two numbers is the front of the cuboid in the question, which has the same side length; One is the front of the cuboid, and the other is the division of the previous one.

Sum of side lengths (all lengths are prime numbers). So, then we found that there were only two numbers left, 1 1 and 19. Unfortunately, we have encountered a very difficult problem. So, he taught me another method: first list the numbers: 3, width!

Just as I was scratching my head, a colleague of my mother came. He first taught me to use the idea of equation to solve, but I am not very familiar with this method of equation, and there is no hint at all, 5:

There is a cuboid. At this time, I want to exclude them one by one at noon today. How can this start, for example! Only the product of two surface areas is known, and the volume must also know the length. I began to distinguish which of these two numbers is each.

Finally got the result. Here's the question. I've been thinking for a long time but I haven't figured out a way.

Solved this problem, 1 1 and other prime numbers, and then we began to exclude, Gao, I was doing my math summer homework. It says that the product of the front area and the top area is 209 square centimeters, and the length, width and height are all prime numbers. Find its volume.

I saw it. We first listed a lot of figures according to the requirements of the topic, which is 374 cubic centimeters. My formula is: 209 = 1 1× 19.

19=2+ 17

1/kloc-0 /× 2×17 = 374 (cubic centimeter)

then