Răspuns:
1001/2
Explicație pas cu pas:
1 1/2 · 1 1/3 · 1 1/4 · 1 1/5 · .....·1 1/1000 =
(1·2+1)/2 · (1·3+1)/3 · (1·4+1)/4 ......·(1·1000)/1000 =
= 3/2 · 4/3 · 5/4 · 6/5 · ................ · 1001/1000 =
= (3·4·5·6·.....1000·1001) / (2·3·4·5·6·......·1000) =
= 1001/2 = 500,5
#copaceibrainly
