Soru

Zorluk: KolaySimplification and BODMAS Rule

What is the value of the following mathematical expression?

25[18{12(641)}]25 - [18 - \{12 - (6 - \overline{4 - 1})\}]
  1. 16Cevap
  2. B
    18
  3. C
    22
  4. D
    12

Cevap

16
Following the BODMAS priority (Vinculum \rightarrow Round Brackets \rightarrow Curly Braces \rightarrow Square Brackets \rightarrow Outermost Subtraction):
1. Vinculum: 41=3\overline{4 - 1} = 3
2. Round brackets: 63=36 - 3 = 3
3. Curly braces: 123=912 - 3 = 9
4. Square brackets: 189=918 - 9 = 9
5. Outer subtraction: 259=1625 - 9 = 16.
Thus, 16 is the mathematically correct answer.

Adım Adım Çözüm

1
Evaluate the expression under the vinculum bar
41=3\overline{4 - 1} = 3
According to BODMAS, vinculum (bar bracket) has the highest priority.
2
Simplify the innermost round brackets (63)(6 - 3)
63=36 - 3 = 3
Evaluate terms inside round brackets next.
3
Simplify the curly braces {123}\{12 - 3\}
123=912 - 3 = 9
Evaluate terms inside curly braces next.
4
Simplify the square brackets [189][18 - 9]
189=918 - 9 = 9
Evaluate terms inside square brackets next.
5
Perform final subtraction from 25
259=1625 - 9 = 16
Complete the outermost operation.

Anahtar Kavram

BODMAS Rule with Vinculum (Bar Bracket)
Bu soruyu puanla