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Mathematical problem of ideal point
The topic is: 65 ÷ 13 = 5,65+13+5 = 83, the dividend is 65, the divisor is13, and the quotient is 5.

Mathematics in primary and secondary schools, including Olympic Mathematics, needs appropriate methods in learning. With good methods and ideas, you may get twice the result with half the effort! Thinking in images means that people use thinking in images to understand and solve problems. Its thinking foundation is concrete image, and its thinking process is developed from concrete image.

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Commutative algebra:

In abstract algebra, commutative algebra aims to discuss commutative rings and their ideals, as well as modules on commutative rings. Algebraic number theory and algebraic geometry are based on commutative algebra. The most prominent examples of commutative rings include polynomial rings, algebraic integer rings and p- radix rings, as well as their various quotient rings and localization.

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