The position of the rational number AB on the number axis is known as shown in the figure, which simplifies | a | - | B | - | A-B | - | a + B| B < 0, a > 0, | B | greater than a

The position of the rational number AB on the number axis is known as shown in the figure, which simplifies | a | - | B | - | A-B | - | a + B| B < 0, a > 0, | B | greater than a

According to the meaning of the title
a>0 b0 a+b