# Exercises. Arithmetic mean

These exercises will help to check how you are able to calculate arithmetic mean.

The solution of exercises is the best way to test your knowledge and understand studied material!

**Exercise.**Arithmetic mean of 3 numbers is equal to 6, and arithmetic mean of other 3 numbers is equal to 3. Find the arithmetic mean of all 6 numbers.

As result you have:

Arithmetic mean | = |

Try to solve arithmetics tasks.Exercises. Addition of two natural numbersExercises. Subtraction of two natural numbersExercises. Addition and subtraction of two natural numbersExercises. Learning of multiplication tablesExercises. The multiplication of one-digit and two-digit positive integersExercises. The multiplication of one-digit and three-digit positive integersExercises. The multiplication of two-digit positive integersExercises. The multiplication of two-digit and three-digit positive integersExercises. The multiplication of three-digit positive integersExercises. Multiplication of two natural numbersExercises. Division of two natural numbersExercises. Calculations with two natural numbersExercises. ModuloExercises. GCDExercises. LCMExercises. Divisibility by 2Exercises. Divisibility by 3Exercises. Divisibility by 5Exercises. Divisibility by 6Exercises. Divisibility by 9Exercises. Divisibility by 10Exercises. Divisibility by 2, 3, 5, 6, 9, 10Exercises. Arithmetic mean

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