Question

Sa se efectueze a) √8+ √18+ √32- √200

Answer 1

√4,√3,√4,√100 acesta este raspuns corect

Answer 2

$\sqrt{8}+ \sqrt{18}+ \sqrt{32} - \sqrt{100} = \sqrt{4*2} + \sqrt{9*2} + \sqrt{16*2} - \sqrt{100*2} =$
=$2 \sqrt{2}+3 \sqrt{2} +4 \sqrt{2} -10 \sqrt{2}=- \sqrt{2}$