Question

$\sqrt{ \sqrt{2 - 1 \div 2 + 1 } }$
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Answer 1

$\sqrt{ \sqrt{2 - 1 \div 2 + 1} }$

$\sqrt{ \sqrt{2 - 0.5 + 1} }$

$\sqrt{ \sqrt{2.5} }$

$\sqrt{ {1.58} }$

$1.25$