Vous allez être étonnés! Beauté des nombres
1 x = 9 12 x = x = x = x = x = x = x = x =
1 x = x = x = x = x = x = x = x = x 9 +10=
9 x = x = x = x = x = x = x = x =
1 x 1 = 1 11 x 11 = x 111 = x 1111 = x = x = x = x = x = Admirez la symétrie: