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Mathematics, 17.02.2022 23:10 googoomylizard
In Closing The rules for adding and subtracting integers apply to all rational numbers. The sum of two rational numbers (e. g., โ1 + 4.3) can be found on the number line by placing the tail of an arrow at โ1 and locating the head of the arrow 4.3 units to the right to arrive at the sum, which is 3.3. To model the difference of two rational numbers on a number line (e. g., โ5.7 โ 3), first rewrite the difference as a sum, โ5.7 +(โ3), and then follow the steps for locating a sum. Place a single arrow with its tail at โ5.7 and the head of the arrow 3 units to the left to arrive at โ8.7.
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In Closing
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