Question

calcule a média aritmética:
a) 1/4 e 1/2
B) 2/3 e 4/5

PONHA RESOLUÇÕES

ME AJUDEEEEE

Answer 1

1/4 e 1/2

(1/4+1/2):2=
(1/4+2/4):2=
3/4:2=
3/4.1/2=
3/8=
0,375

2/3+4/5=
(2/3+4/5):2=
(10/15+12/15):2=
(22/15):2=
22/15.1/2=
22/30=
11/15