The number of pairs of natural numbers the difference of whose squares is 45 will be ?
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1
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If \(\left( {x + \frac{1}{x}} \right){ \text{ = 2,}}\) then \(\left( {x - \frac{1}{x}} \right)\) is equal to = ?
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2
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25 * 3.250 + 50.40 / 24.0 = ?
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3
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200 ÷ 25 × 4 + 12 - 3 = ?
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4
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Find the value of \(\frac{{{{\left( {0.75} \right)}^3}}}{{1 - 0.75}} + \left[ {0.75 + {{\left( {0.75} \right)}^2} + 1} \right]\)
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5
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(9.0 / 2 * 27 / 9 ) / (18/7.5 * 5.0 / 4) = ?
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6
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Solve 4376 + 3209 - 1784 + 97 = 3125 + ?
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7
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If \(\left( {x + \frac{1}{x}} \right) = 3,\) then \(\left( {{x^2} + \frac{1}{{{x^2}}}} \right)\) is = ?
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8
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98643 – 21748 = 51212 + ?
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9
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If \(\root 3 \of {{3^n}} { \text{ = 27,}}\) then the value of n is = ?
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10
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The value of \(\frac{{{x^2} - {{\left( {y - z} \right)}^2}}}{{{{\left( {x + z} \right)}^2} - {y^2}}}{ \text{ + }}\frac{{{y^2} - {{\left( {x - z} \right)}^2}}}{{{{\left( {x + y} \right)}^2} - {z^2}}} +\frac{{{z^2} - {{\left( {x - y} \right)}^2}}}{{{{\left( {y + z} \right)}^2} - {x^2}}}\) is = ?
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