Question

1.24% din numarul 625.
2.calculeaza $\sqrt{17^2+2*17*19+19^2}$

Answer 1

24· 625 /100 = 15000 =  150 
17² + 2·17 ·19 + 19² = ( 17 + 19 ) ² = 36²
  ex .  este binom
rad. ex= √36² = 36 

Answer 2

$1). \frac{24}{100} *625= \frac{15000}{100} =150 \\ 2). \sqrt{17^2+2*17*19+19^2} = \sqrt{289+646+361} = \sqrt{1296} =36$