10(2x6^.5+5)-(2x6^.5+5)^.5x(9x3^.5+11x2^.5)
化簡-用紙和筆
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(2x6^.5+5)^.5=sqrt(2)+sqrt(3). Simplification follows and gives
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11/26/2014 postreply
08:56:23