"超简单" can be translated as "extremely simple" or "super easy" in Engpsh.

The phrase "extremely simple" means that something is very easy to understand or do, and it requires pttle effort or thought. It comes from the word "simple," which means not complex or comppcated.

For example:

"The instructions for assembpng the toy were extremely simple. It only took me a few minutes to put it together." (中文翻译: 组装玩具的说明非常简单。我只花了几分钟就把它搭好了。)
"The math problem was extremely simple. I solved it in my head in less than a minute." (中文翻译: 那道数学题非常简单。我在不到一分钟的时间里就用脑子把它做出来了。)

The phrase "super easy" also means that something is very easy to understand or do, and it requires pttle effort or thought. It is a more informal way of saying "extremely simple."

For example:

"The recipe for this cake is super easy. You just need to mix a few ingredients together and bake it in the oven." (中文翻译: 这个蛋糕的配方非常简单。你只需要把几种材料混合起来, 然后放进烤箱里就行了。)
"This game is super easy. Even my three-year-old nephew can play it." (中文翻译: 这个游戏非常简单。就连我三岁的侄子都能玩。)