Sentence Examples

  • Addition is the process of expressing (in numeration or notation) a whole, the parts of which have already been expressed; while, if a whole has been expressed and also a part or parts, subtraction is the process of expressing the remainder.
  • As an illustration, we may take the elementary processes of addition, subtraction, multiplication and division.
  • The principle of subtraction from a higher number, which appeared in notation, also appeared in numeration, but not for exactly the same numbers or in exactly the same way; thus XVIII was two-from-twenty, and the next number was onefrom-twenty, but it was written XIX, not IXX.
  • Comparison, Addition and Subtraction of Fractions.-The quantities 4 of A and 7 of A are expressed in terms of different units.
  • (i) If we consider that we are dealing with numerical quantities, we must recognize the fact that, while addition and subtraction might in the first instance be limited to such quantities, multiplication and division necessarily introduce the idea of pure number.

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