Question

2. Simplify the following: a) 25 x 5 - 12 + 18 = 9 b) 881 x 2 + 24 - 12 - 2​

Answer 1

Answer:

Bracket → Solve inside the Brackets before Of, Multiply, Divide, Add or Subtract.

For example:

7 × (15 + 5)

= 7 × 20

= 140

2. Of → Then, solve Of part (Powers, Roots, etc.,) before Multiply, Divide, Add or Subtract.

For example:

6 + 3 of 7 - 5

= 6 + 3 × 7 - 5

= 6 + 21 - 5

= 27 - 5

= 22

3. Division/Multiplication → Then, calculate Multiply or Divide before Add or Subtract start from left to right.

For example:

20 + 21 ÷ 3 × 2

= 20 + 7 × 2

= 20 + 14

= 34

4. Addition/Subtraction → At last Add or Subtract start from left to right.

17 + (8 - 5) × 5

= 17 + 3 × 5

= 17 + 15

= 32

Worked-out problems for solving BODMAS rules - involving integers:

Simplify using BODMAS rule:

(a) 25 - 48 ÷ 6 + 12 × 2

Solution:

25 - 48 ÷ 6 + 12 × 2

= 25 - 8 + 12 × 2, (Simplifying ‘division’ 48 ÷ 6 = 8)

= 25 - 8 + 24, (Simplifying ‘multiplication’ 12 × 2 = 24)

= 17 + 24, (Simplifying ‘subtraction’ 25 - 8 = 17)

= 41, (Simplifying ‘addition’ 17 + 24 = 41)

Answer: 41

Answer 2

Answer:

a) 25 x 5 - 12 + 18 = 9. b) 881 x 2 + 24 - 12 - 2

= 125-12+18=9. = 1762+24-12-2

= 113+18=9. = 1786-12-2

= 131=9. = 1774-2

= 131-9. = 1772.

= 122.

Step-by-step explanation:

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