solve math problems, get a discount code!

Solve this math problem and get an answer. This answer is a discount code. You can use it when you buy a Mega package, and the price will be 1 yuan!

  • x + 2y = 5
  • 2x-y = 0

Discount Code = (x + y) * 8+1

I wish you all the best!

15th Jan 2020
v2ray connection tool

We do not provide custom programs. Many developers have created linking programs for various operating systems. You can download and use them on the official v2ray website!



14th Jan 2020