30+31+25 \sqrt {{30 }+ \sqrt {31}+ \sqrt{25}}30+31+25
30+31+22+x \sqrt {{30 }+ \sqrt {31}+ \sqrt{22+x}}30+31+22+x
$$find x
777.........=?\sqrt{7\sqrt{7\sqrt{7.........}}}=?777.........=?
27+27+27+..........=?\sqrt{27+\sqrt{27+\sqrt{27+..........}}}=?27+27+27+..........=?
(3+3)(3−3)=(3+\sqrt3)(3-\sqrt3)=(3+3)(3−3)=