Simplification (√ X-2) & # 178; - √ (2-x) & # 178;

Simplification (√ X-2) & # 178; - √ (2-x) & # 178;

Original formula = lx-2l-lx-2l = 0
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When a = 1 / 2, the value of the algebraic formula A & # 178; + 1 / A + 2a is

a²+1/a+2a
= （1/2）²+1/（1/2）+2x1/2
=1/4+2+1
=Three and a quarter

Use 7, 8, 2, 58 to write a division with remainder

58 / 7 = 8 remainder 2
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