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What are the written languages in the second grade mathematics textbook of People's Education Press?
1, the second-grade mathematical literature language mainly studies multiplication and division in tables, reading and writing numbers within 10,000, and adding and subtracting numbers within 10,000 (without carrying or abdicating), which involves two-step calculation of addition, subtraction, multiplication and division and the understanding of brackets. It is an elementary arithmetic rule of simple two-step calculation.

2. Simple application of two-step calculation. Others include statistics and preliminary understanding. You can use a square to represent five or 10. A simple understanding of numbers, meters and centimeters of length, kilograms and grams of weight, etc., is relatively simple.

3. Pay attention to the memory and application of multiplication formula, and do simple multiplication and division in the table, two-step operation algorithm and the application of simple two-step operation.