Langue des Signes Française (LSF)
American Sign Language (ASL)
0-100 (par 10) / 0-100 (by 10s)
1-10 / 1-10
100-1000 (par 100) / 100-1000 (by 100s)
100-Un milliard (multiplié par 10) / 100-1 billion (by times x10)
21-30 / 21-30