If \( \left( {x + \frac{1}{x}} \right){ \text{ = }}\sqrt {13} { \text{,}} \) then the value of \(\left( {{x^3} - \frac{1}{{{x^3}}}} \right)\) is = ?
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1
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\(\frac{{{{\left( {0.73} \right)}^3} + {{\left( {0.27} \right)}^3}}}{{{{\left( {0.73} \right)}^2} + {{\left( {0.27} \right)}^2} - 0.73 \times 0.27}}\) = ?
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2
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Find the value of \(\sqrt {4 + \sqrt {44 + \sqrt {10000} } } \)
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3
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Solve : 128.43 + 30.21 + ? = 173
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4
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\(\left\{ {\left( {\sqrt {72} - \sqrt {18} } \right) \div \sqrt {12} } \right\}\) is equal to = ?
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5
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5 - [4 - {3 - (3 - 3 - 6)}] is equal to:
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6
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The least number that must be subtracted from 63522 to make the result a perfect square is = ?
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7
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If \(\left( {4{b^2} + \frac{1}{{{b^2}}}} \right){ \text{ = 2,}} \) then \(\left( {8{b^3} + \frac{1}{{{b^3}}}} \right)\) = ?
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8
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421 ÷ 35 × 299.97 ÷ 25.05 = ?2
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9
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A millionaire bought a lot of hats 1/4 of which were brown. The millionaire sold 2/3 of the including 4/5 of the brown hats. What fraction of the unsold hats were brown ?
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10
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1 - [5 - {2 + (- 5 + 6 - 2) 2}] is equal to:
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