**There are two types of expressions defined in algebra. Numerical expression and algebraical expression. A numerical expression contains numbers separated by algebraic operations, while algebraic expression may contain numbers and variables separated by algebraic operations. By algebraic operations, we refer addition, subtraction, multiplication, division, exponentiation etc. So, Numerical expressions are combinations of numerical values and algebraic operations. **

M

A:

The example problems based on numerical expression are given below:

Solution:

= $10+7\times9\div 9-8$

= $10+63\div 9-8$

= $10+7-8$

= $17-8$

= $11$

Example 2:

Solution:

= $100\div (13+27)-2$

= $100\div 40-2$

= $2.5-2$

= 0.5

Solution:

= $9-5\div 5$

= $9-1$

= 8

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