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(69.987 × 2 - 27.872 × ? = 0)1). 32). 53). 74). 8 |
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Answer» Approximating the TERMS as, ⇒ 69.987 ≅ 70 ⇒ 27.872 ≅ 28 Hence, the expression approximately becomes, ⇒ 70 × 2 – 28 × ? = 0 ⇒ 140 = 28 × ? ∴ ? = 5 |
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