# 3.3.4. Mental Arithmetic

Find the result of mentally.

Show SolutionComplete without using a calculator.

Show SolutionComplete without using a calculator.

Show SolutionComplete without using a calculator.

Show SolutionCalculate mentally.

Show SolutionCalculate mentally.

Show SolutionFind the result of without using a calculator.

Show SolutionFind the result of without using a calculator.

Show SolutionFind the result of without using a calculator.

Show SolutionFind the result of without using a calculator.

Show SolutionFind the result of without using a calculator.

Show SolutionCalculate mentally.

Show SolutionFind the result of mentally.

Show SolutionFind the value of without using a calculator.

Show SolutionUsing the equality , find the result of mentally.

Show SolutionUse the equality to find the result of without using a calculator.

Show SolutionUse the equality to find the result of without using a calculator.

Show SolutionUse the equality to find the result of without using a calculator.

Show SolutionUse the equality to find the result of mentally.

Show SolutionUse to complete without using a calculator.

Show Solution