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1. How do we add or subtract rational numbers involving decimals?
2. What is the rule in adding and subtracting numbers involving different
signs?
3. How does the rule in adding and subtracting numbers involving
different signs make you at ease in solving?
4. Do you know any other way to add and subtract rational numbers
involving decimals?
1. How do we add or subtract rational numbers involving decimals?
2. What is the rule in adding and subtracting numbers involving different
signs?
3. How does the rule in adding and subtracting numbers involving
different signs make you at ease in solving?
4. Do you know any other way to add and subtract rational numbers
involving decimals?
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Answer:
2.)To add integers having the same sign, keep the same sign and add the absolute value of each number.
To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest.
Subtract an integer by adding its opposite.