M-Magic 02 || Mathematical FACTs!  Did you know ???  👉a, b, c, d are not used in spelling from 1 to 99. And.....  👉d is first used in ‘Hundred’.  👉 a, b, c are not used anywhere in spelling from 1 to 999. And...  👉a is first used in ‘Thousand’. 👉 b, c is not used …