Construct a math expression

Using the method of replacing the images of numbers on the examples of arithmetic operations gives a great effect of learning. The task displays an arithmetic expression with the result and places to insert a number. From the proposed set of numbers, you must select the correct variant. The program has the ability to adjust the range of maps, the number of tasks.
The execution result is displayed at the end of all tasks. A detailed progress report of the tasks is also displayed.