Εικόνες σελίδας
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Ηλεκτρ. έκδοση
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COMPOUND SUBTRACTION.

COMPOUND SUBTRACTION teaches to find the difference between numbers of different denominations.

RULE.*

Write those numbers under each other, which are of the same denomination, the less compound number under the greater; begin with the lowest denomination, and, if it exceeds the number over it, add as many units to the upper number, as it takes of that denomination to make the next higher; then subtract and carry one to the next number of the subtrahend.

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The reason of this rule will readily appear, from what was said in Simple Subtraction; for the adding to the upper line depends on the same principle, nd is only different, as the numbers to be subtracted are of different denomi

ons.

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