Question

Aflaţi 20% din (15,8 -3,22) 3,22 este la puterea a doua

Answer 1

$\it 20\%=\dfrac{\ 20^{(20}}{100}=\dfrac{1}{5}\\ \\ \\ 15,8-3,22^2=15,8-10, 3684=5,4316\\ \\ \\ \dfrac{1}{5}\ din\ 5,4316=\dfrac{5,4316}{5}=1,08632$