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If'+' is called 'subtraction?,′−′is called 'multiplication ′÷′, is called 'addition' and ′×′ is called 'division: then 9×3÷4−1+2=?
  • a)
    5
  • b)
    3/2
  • c)
    -1
  • d)
    4
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If+ is called subtraction?,′−′is called multiplicati...
Given the new symbol notations:
  • '+' is called 'subtraction' (−)
  • '−' is called 'multiplication' (×)
  • '÷' is called 'addition' (+)
  • '×' is called 'division' (÷)
We need to evaluate the expression 9 × 3 ÷ 4 − 1 + 2 using the new notation.
Step 1: Replace the symbols as per the new notation.
  • '×' becomes 'division' (÷)
  • '÷' becomes 'addition' (+)
  • '−' becomes 'multiplication' (×)
  • '+' becomes 'subtraction' (−)
So, the expression 9 × 3 ÷ 4 − 1 + 2 becomes: 9 ÷ 3 + 4 × 1 − 2
Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).
  • First, do the division and multiplication from left to right:
    • 9 ÷ 3 = 3
    • 4 × 1 = 4
So, the expression becomes: 3 + 4 − 2
  • Now, perform the addition and subtraction from left to right:
    • 3 + 4 = 7
    • 7 − 2 = 5
Final answer: The value of the expression is 5.
So, the correct option is A: 5.
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