1) 3√2-√7:√7-√2 2)4+√5:2√5-7 3)125^-2/3
1)
(3√2-√7)(√7+√2):5=(3√14+6-7-√14):5=(2√14-1)/5
2)
(4+√5)(2√5+7):(-29)= -(8√5+28+10+7√5):29= -(15√5+38)/29
3)
(1/125)^2/3=(1/5)^2=1/25
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1)
(3√2-√7)(√7+√2):5=(3√14+6-7-√14):5=(2√14-1)/5
2)
(4+√5)(2√5+7):(-29)= -(8√5+28+10+7√5):29= -(15√5+38)/29
3)
(1/125)^2/3=(1/5)^2=1/25