Question

radical din 20+ radical din 245- radical dim 320+radical din 80-radical din 45
va rog​

Answer 1

Răspuns:

radical20+radical245−radical320+radical80−radical45

2radical5+7radical5-8radical5+4radical5-3radical5=2radical5

Answer 2

$\sqrt{20} + \sqrt{245} - \sqrt{320} + \sqrt{80} - \sqrt{45}$

$2 \sqrt{5} + 7 \sqrt{5} - 8 \sqrt{5} + 4 \sqrt{5} - 3 \sqrt{5}$

$2 \sqrt{5}$