What are the understandings of sum, difference, product and quotient?

The understanding of sum, difference, product and quotient is as follows:

1, and, two numbers are added, and the numerical answer is obtained through mathematical calculation.

2, difference, two numbers are subtracted, the larger one is subtracted, and the numerical answer is obtained through mathematical calculation. (In addition, in junior high school, the younger one can also simplify the complex and get a negative answer. )

3. Quotient, when two numbers are divided, one number is generally divided by another number, for example, 6÷3=2, and the number before the divided word is in front of the formula, just like 6 in this example. A numerical answer obtained by mathematical calculation.

4, product, is the multiplication of two numbers, through mathematical formula operation to get the answer of the number.

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