Like (5) and +5, only two numbers with different symbols are called Like (5) and +5, only two numbers with different symbols are called.

Like (5) and +5, only two numbers with different symbols are called Like (5) and +5, only two numbers with different symbols are called.

Two numbers are opposite to each other. One of them is called the opposite number of the other number.

Two numbers are opposite numbers. Call one of them the opposite number of the other number.

Two numbers are opposite to each other. Call one of them the opposite number of the other number.

Try to write two rational numbers so that their sum and product are positive.

There should be only one case in which both sum and product are positive, i.e., both rational numbers are positive, and the product is positive, which indicates that they have the same sign, and there are two cases in which both sum and product are positive (

There should be only one case in which both sum and product are positive, i.e. both rational numbers are positive, and the positive product indicates that they have the same sign, i.e. both sum and product are positive (both signs are positive; if the sign is different, the absolute value is positive, but the product is negative).