Mental Math Advanced

This is a mental arithmetic game. You can practice the basic arithmetic operations of addition, subtraction, division and multiplication in various challenges. There are also advanced challenges with square root and exponential calculation.

The goal is to put the generated operators and numbers in the correct order so that the displayed result is achieved. But beware: While all operators must be used, some incorrect choices have crept in among the numbers.

Are you up to the challenge and can demonstrate your mastery of mental arithmetic?