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5 - 16 × 30 ÷ 10 + 4 = 491). - and +2). ÷ and ×3). × and – 4). ÷ and – |
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Answer» The GIVEN equation is : 5 – 16 × 30 ÷ 10 + 4 = 49 Let’s check each option, 1) – and + → 5 + 16 × 30 ÷ 10 – 4 = 49 = 49 2) ÷ and × → 5 – 16 ÷ 30 × 10 + 4 = 3.66 ≠ 49 3) × and – → 5 × 16 – 30 ÷ 10 + 4 = 81 ≠ 49 4) ÷ and – → 5 ÷ 16 × 30 – 10 + 4 = 3.375 ≠ 49 Hence, by interchanging – and + the equation will be CORRECT. |
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