Răspuns:
Explicație pas cu pas:
[0,25+0,(3)+1/2(1/2+1/3)]^2017
1/2 + 1/3 = 3/6 + 2/6 = 5/6
1/2*5/6 = 5/12
0,25 = 25/100 = 1/4
0,(3) = 3/9 = 1/3
1/4 + 1/3 + 5/12 = 3/12 + 4/12 + 5/12 = 12/12 = 1
1^2017 = 1