One useful tip is to divide the numbers normally, don't mind the signs. After dividing as usual, determine the sign of the quotient. If the dividend and divisor have the same signs, the quotient will be positive. If the dividend and divisor have different signs, the quotient will be negative.
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Answer:
1. 4
2. 3
3. 4
4. 3
5. 9
One useful tip is to divide the numbers normally, don't mind the signs. After dividing as usual, determine the sign of the quotient. If the dividend and divisor have the same signs, the quotient will be positive. If the dividend and divisor have different signs, the quotient will be negative.