5 - [4 - {3 - (3 - 3 - 6)}] is equal to:
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1
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\(\frac{{225}}{{836}} \times \frac{{152}}{{245}} \div 1\frac{{43}}{{77}} = ?\)
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2
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421 ÷ 35 × 299.97 ÷ 25.05 = ?2
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3
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The simplification of \(\frac{5}{{3 + \frac{3}{{1 - \frac{2}{3}}}}}, = ?\)
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4
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If \(\left( {x - \frac{1}{x}} \right){ \text{ = }}\sqrt {21} { \text{,}} \) then the value of \(\left( {{x^2} + \frac{1}{{{x^2}}}} \right) \left( {x + \frac{1}{x}} \right)\) is = ?
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5
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(? - 968) / 79 * 4 = 512
Solution |
6
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The number of pairs of natural numbers the difference of whose squares is 45 will be ?
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7
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24.962 ÷ (34.11 ÷ 20.05) + 67.96 - 89.11 = ?
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8
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The simplest value of \(\left( {\frac{1}{{\sqrt 9 - \sqrt 8 }} - \frac{1}{{\sqrt 8 - \sqrt 7 }} + \frac{1}{{\sqrt 7 - \sqrt 6 }} - \frac{1}{{\sqrt 6 - \sqrt 5 }}} \right)\) is = ?
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9
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If \( \left( {x + \frac{1}{x}} \right){ \text{ = }}\sqrt {13} { \text{,}} \) then the value of \(\left( {{x^3} - \frac{1}{{{x^3}}}} \right)\) is = ?
Solution |
10
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If (2a+b)/(a+4b)=3 , then find the value of (a+b)/(a+2b)
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