BODMAS

The BODMAS rule, also known as the order of operations, dictates the sequence in which mathematical operations should be performed in an expression. It stands for Brackets, Orders (powers and square roots), Division and Multiplication (from left to right), and Addition and Subtraction (from left to right).

Here's a breakdown:

B - Brackets: Calculations within brackets (parentheses, square brackets, etc.) are done first.

O - Orders: Next, powers and square roots are calculated.

DM - Division and Multiplication: These operations are performed from left to right.

AS - Addition and Subtraction: Finally, addition and subtraction are done from left to right.

Example:

In the expression 10 - 2 × 3 + (4 + 1), the BODMAS rule dictates the following steps:

Brackets: (4 + 1) = 5

Multiplication: 2 × 3 = 6

Subtraction: 10 - 6 = 4

Addition: 4 + 5 = 9

Therefore, the answer is 9.

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