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What chapters are there in the new version of the fifth grade math book of six-year compulsory education in primary school, and what are they all about?
First, multiplication and division of decimals; 1. decimal multiplication

2. Fractional division 2. Integer and decimal elementary arithmetic and application problems: 1. Integer and decimal elementary arithmetic.

2. Application question 3. Calculation of polygon area: 1. Calculation of parallelogram area.

2. Calculation of triangle area 3. Calculation of trapezoidal area

*4. Calculation of combined graphic area. Simple equation: 1. Use letters to represent numbers.

2. Solve simple equations

3. Equation application problems are OK.