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for integers with tow different signs, it will always be negative in multiplying and division. for adding and subtracting, the sign is for the bigger number.
Examples: Write the first integer as it is, turn the subtraction into the addition, change the sign of the second integer, and follow the rules of addition. -7 - (2) = -7 + (-2) = -(7 + 2) = -9 10 - (-8) = 10 + (+8) = 18
NO. It depends on which you are subtracting from which. For example, the difference between 8 and 6 is 2 (8 - 6 = 2) but the difference between 6 and 8 is -2 (6 - 8 = -2).
4/9 - 6/36
yes