Răspuns:
a) 7×1000+5×100+3×10+2=
7000+500+30+2=7532
b)2×10000+7×1000+8×100+3×10+3=
20000+7000+800+30+3=27833
c)5×1000000+4×100000+6×10000+8×1000+3×100+90+1=
5468391
