根号5减3的绝对值+根号下负二的平方+（根号5减2）的零次方 减负三的绝对值

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原差族式=|√5-3|+√(-2)²+(√5-2)º-|-3|
=-(√5-3)+√冲亮4+1-3
=-√虚判弊5+3+2+1-3
=3-√5

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根号3减2的凳高绝对宴粗蔽值+（2减根号3）的负1次方晌州
=2-根号3+1/(2-根号3)
=2-根号3+2+根号3
=4

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