Question

calculeaza media aritmetica a nr 1/2,1/3,1/4

Answer 1

6)1/2+4)1/3+3)1/4  supra 3=6/12+4/12+3/12supra3=13/12supra4=13supra3
6)INSEAMNA AMPLIFICARE

Answer 2

$\frac{ \frac{1}{2} + \frac{1}{3} + \frac{1}{4} } {3} = ?$
aducem la același numitor fracțiile de sus, și anume 12.
$\frac{ \frac{6}{12}+ \frac{4}{12} + \frac{3}{12} }{3} = \frac{ \frac{13}{12} }{3} = \frac{13}{12} * \frac{1}{3} = \frac{13}{36} .$