Răspuns:
Explicație pas cu pas:
a) 2/10 ; 53/10 ; 721/100 ; 8473/1000 ; 1529/100 ; 4279/1000 ; 8478/1000;
12563/100
b) 2_5/9; 13_7/9; 125_8/9; 29/99 ; 4_37/99; 125_106/999; 29_471/999
c) (27-2)/90=25/90=5/18 ; 4_(65-6)/90=4_59/90 ;
8_(237-23)/900=8_214/900=8_107/450
16_(1435-14)/9900=16_1421/9900
200_(79125-79)/99900=200_39523/49950