Question

calculati : 5* [5+5:(5 la puterea a 3-5 la puterea a 5:la pterea a 3)]+3*5 la puterea a 2

Answer 1

$5*[5+5:(5^3-5^5:5^3)]+3*5^2=5*[5+5:(5^3-5^2)]+3*25=\\=5*[5+5:(125-25)]+75=5*[5+5:100]+75=\\=5*(5+ \frac{5}{100} )+75=25+ \frac{25}{100}+75= 100+\frac{25}{100}= \frac{10000+25}{100}= \frac{10025}{100}$