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The thyrde parte treateth of certaine briefe rules, called rules of practise, with di∣uers necessarie questions pro∣fitable for Marchaunts.
The first Chapter.
SOme ther be, which doe call these rules of practise briefe rules, for that by them ma∣ny questions may be done wyth quicker expedition, than by the rule of three. There be others which call them the small multiplication, for bicause that the product, is alwaies lesse in quan∣titie, than the number whiche is to bee multiplied. This practise com∣meth not in vse, but onely amonge small kindes of numbers, whiche haue ouer them, other numbers that are greater. And thys beyng well considered, is no other thyng