Who is the most beautiful among the twelve constellations?

Aquarius people are smart, flexible, good at grasping the key points of things, strong logical thinking ability, and good at organically linking and organizing different things and organically combining them into a new whole.

Want to improve as soon as possible, or want to know your fortune.

It will be adjusted and improved according to the status quo of the friends.

Promote career fortune and health fortune.

If you have any views on the fortune of traditional numerology or the eight-character "marriage numerology prediction"! Master Ta (oral color \ micro/? : 3 9 9 6, 1 9,4)

X 1, x2∈(-∞0] and x 1 < x2, then

f(x 1)-f(x2)=(2x 1+2-x 1)-(2 x2+2 x2)=(2x 1 2x 1- 1 2 x2)=(2x 1-2 x2)(2x 1-2 x2)(2x 12 x2- 1)？ 2x 12x2？

∵x 1