18
Add 3 to 10, and then divide
Till 8 the sum has satisfied—
is solved by writing 13 in Roman numerals, XIII.; and then drawing a line across their middle, so that the upper half forms VIII.
Return to [description]
Add 3 to 10, and then divide
Till 8 the sum has satisfied—
is solved by writing 13 in Roman numerals, XIII.; and then drawing a line across their middle, so that the upper half forms VIII.
Return to [description]