Question

calculati media aritmetica a numerelor:
a) 13, √7+√6 si -1-√7
b) 10+2√5,3-4√5,2√5-6√7 si 6√7+11

Va rog am nevoie urgent pana maine

Answer 1

a) [13+ √7+√6 +( -1-√7)]/3=
=(13+ √7+√6  -1-√7)/3=
=(12+√6)/3=
=4 + √6/3

b) (10+2√5+3-4√5+2√5-6√7 + 6√7+11)/4=
=24/4=6