Sentence Examples


  • 8d., on the grouping system, we split up each quantity into its denominations, perform the subtractions independently, and then regroup the results as the " remainder " £6, 2s.
  • Thus the sum of 8 and 7 cannot be expressed as ones; we can either form the whole, and regroup it as 10 and 5, or we can split up the 7 into 2 and 5, and add the 2 to the 8 to form io, thus getting 8+7= 8+ (2+5) = (8+2) +5=10+5=15.
 
 

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