Question

Упростите выражение , СПАСИБО !!!!!!!!!!!!!!!!!11
(√10+√5)*√20-5√8

Answer 1

$(sqrt{10} + sqrt{5}) * sqrt{20} - 5sqrt{8} \ (sqrt{10} + sqrt{5}) * 2sqrt{5} - 5 * 2sqrt{2} \ 2sqrt{50} +10-10sqrt{2} \ 2*5sqrt{2} + 10 - 10sqrt{2} \ 10sqrt{2} + 10 - 10sqrt{2} \ otvet: 10$