Răspuns :

Munmncid
(0,25+1,75+4,5)/3=6,5:3=2,1(6)
(1,2+4,3+7,1)/3=4,2
(0,(3)+2/3+2):3=(3/9+2/3+2):3=(3+6+18)/9:3=27/9*1/3=1
(5+17,2+4,08)/3=26,28:3=8,76
Alexis0900id
a) Ma=(0,25+1,75+4,5)/3
Ma=6,5/3
Ma= 2,1(6)

b) Ma=(1,2+4,3+7,1)/3
Ma=12,6/3
Ma=4,2

c)Ma=(0,(3)+2/3+2)/3
Ma=(3/9+2/3+2)/3
Ma=(1/3+2/3+6/3)/3
Ma=(9/3)/3
Ma=1

d) Ma=(5+17,2+4,08)/3
Ma=26,2
Ma=8,7(3)