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1.
√7/2 + 1/2
2.
4 - 2√2
3.
-√6 - 2√2 - 2√3 - 4
4.
5 + 2√5
5.
3√6 + 7
3 / √7-1 * √7+1/√7+1 = (3√7+3) / 6
2√2 /√2+1 * √2-1/√2-1 = 4-2√2
√2+2 / √3-2 *√3+2/√3+2 = -√6 -2√2 -2√3 -4
5+√5 / 3-√5 * 3+√5/3+√5 = 5-√5/2
4+√6 / √6-2 * √6+2/√6+2 = 3√6+7
2√2(√2-1) /(√2+1) * (√2-1) = 4-2√2
(√2+2)(√3+2) / (√3-2) *(√3+2) = -√6 -2√2 -2√3 -4
(5+√5) ( 3+√5)/( 3-√5) *(3+√5) = (15+5√5+3√5+5)/4=5+2√5
(4+√6) (√6+2)/( √6-2) * (√6+2) =(4√6+8+6+2√6)/2= 3√6+7