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The answer to the seventh question in the class assignment on page 13 of the top math class in the first volume of the first day of junior high school.
(1)2 and 3 (2)-2 and -3 (3)-2 and 3 (4)2 and -3.
If it is two negative numbers and two positive numbers, the distance is1; If one is positive and the other is negative, the distance is 5.