Question

Calculati media arithmetical pentru nr.

a)135 si 417

b)7,8 si 9,3

c)2,5 si 3/2

d)1,55 si 1 11/20

e) 3/4 si 1,25

f)2,7;5,1;18,9

Va rog azi am trecut si nu stiu pls

Answer 1

a) Ma=(135+417)/2=552/2=276
b) Ma=(7,8+9,3)/2=17,1/2=8,55
c) Ma=(25/10+3/2)/2=(5/2+3/2)/2=4/2=2
d) Ma=(155/100+31/20)/2=(31/20+31/20)/2=62/20x1/2=31/20
e) Ma=(3/4+125/100)/2=(3/4+5/4)/2=2/2=1
f) Ma=(2,7+5,1+18,9)/3=26,7/3=8,9