Question

Calculați 1/3 * radical din 0,09 + 2/7 * radical din 1,96 - radical din 6,76 * 2/13


Urgen va rog ca dau test

Answer 1

1/3 • radical 0.09 + 2/7 • radical 1.96 - radical 6.76 • 2/13 = 1/3 • radical 9/100 + 2/7 • radical 49/25 - radical 2radical6.76\13 = 1/3 • 3/10 + 2/7 • 7/5 - 2radical169/25\13 = 1/10 + 2 • 1/5 - 2•3/15/13 = 1/10 + 2/5 - 26/5/13 = 1/10 + 2/5 - 2/5 = 1/10