Arata ca nr 10 la 20 -1 se divide cu 9,
dau coroana si 15 puncte Va Rog


Răspuns :

:
10x10x10x10x10x10x10x10x10x10x10x10x10x10x10x10x10x10x10x10=1e+20
1e+20-9=1e+20
1e|+20:9=1.1111111e+19