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What is the content of the next math book in the seventh grade of People's Education Press?
The second volume of the seventh grade mathematics book published by People's Education Press is as follows:

I. Positive Numbers and Negative Numbers

Second, rational numbers.

Third, the number axis

Fourth, the inverse number

Absolute value of verb (abbreviation of verb)

Sixth, addition and subtraction of rational numbers.

Seven, the addition of rational numbers

Eight, subtraction of rational numbers

Nine, rational number multiplication and division method

Rational number multiplication

XI。 Division of rational numbers

XII. The Power of Rational Numbers