Question

Calculați :
$3.2(5) + \frac{1}{3} \div 0.1 - |5 - \sqrt{7} | - \sqrt{7}$
Urgent vă rog!

Answer 1

(325-32)/90 + 1/3:1/10 - 5 + sqrt(7) - sqrt(7) =

293/90 + 1/3*10 -5 = 293/90 + 10/3 - 5 = (293+10*30-5*90)/90 = (293+300-450)/90 = 143/90