Cheng Yang knelt on the bed and waited for four or five minutes, but there was no movement on the other side. Pen ~ fun ~ pavilion www.biquge.info

She couldn't help it, and urged with her voice: "Do you know how to solve it?"

Moon Shadow shook her head and replied decisively, "No! This is a fifth-degree equation, do you know what a fifth-degree equation is?"

Little Lori felt a sigh in her heart, and she had a bad premonition.

It seems that he was tricked by his uncle again?

She said cautiously: "I just entered junior high school, so I don't know much about these things. ”

After typing, I stared nervously at the phone screen.

After a few breaths, several messages came from the other side in succession.

"To put it simply, the fifth-order equation is very, very difficult!

Not to mention that you are a junior high school student, even if you are a university professor and a mathematician, you may not be able to solve it.

Because there is no specific formula for finding the root of the quintessential equation, the numerical value can only be solved by the dichotomy or Newtonian tangent method, but only an approximate solution can be obtained.

The dichotomy is equivalent to using the method of elimination, which narrows down the range of answers to find the root.

The smaller the range, the closer the value obtained in it is to the root.

However, it is possible that you will not be able to solve the correct answer for the rest of your life.

As for Newton's tangent and other methods, it involves calculus and so on.

In high school, you will learn some of the basics of calculus, and you will not learn it until college.

So, don't expect to solve the fifth equation, you might as well watch a movie and sing when you have time. ”

After a paragraph, there are three pictures below.

The pictures are all large blackboards, on which are written in chalk the dense mathematical calculation process, all kinds of braces and small brackets, ABCDEX brings in the equations, adding up to about a thousand steps, dazzling to see.

In the lower right corner of the last one, there is a big X, indicating a calculation error.

Three blackboards, but I didn't get an answer.

Cheng Yang held his mobile phone in both palms, and he was so angry!

No wonder the uncle is full of confidence and frankly says that as long as he can solve this equation, he can do whatever he wants to be ashamed of.

It turns out that this thing is so hard!

Isn't this a deception of innocent and ignorant beautiful girls!

Little Lori looked depressed, but helpless.

Finally threw the phone on the bedside table and lay down in a huff.

As a result, I was full of resentment, and I couldn't sleep after tossing and turning.

On the other hand, Ning Yuan, after returning home, sat on the single sofa in the living room, looking at something in his left palm with great interest.

It's small, slender, about the height of a fingernail, and has an all-over pure silver color with a metallic feel.

The appearance is angelic, the head is raised, the hands are wrapped around the chest, and the wings are stretched on the tiptoes.

The whole body is meticulously sculpted, and the facial expressions are lifelike, and even the hair is clearly visible, which can be described as beautiful.

Ning Yuan observed, and praised in his mouth: "It's beautiful." ”

This was left behind when the golden armor angel form was destroyed, and the black flames burned everything clean, including the angelic holy sword with dense runes.

Only, this inconspicuous intimate jewelry is still there, which is obviously of great significance.

Ning Yuan asked Wanxiang Space with a curious face: "What's the use of this thing?"

The latter's voice was cold: "If I remember correctly, this should be an angelic civilization love token, called Angel Guardian, which contains the soul imprint of his sweetheart, and can also be summoned to fight." ”

Ning Yuan's face changed, and his scalp was numb: "Through this, you can summon the golden armor angel to look good?"

At this moment, he was a little panicked.

What kind of cultivation is the Golden Armor Angel as the overlord of the universe!

With this kind of existence, a single sword can destroy the galaxy.

And she is also a female angel, under normal circumstances, both men and women have a higher force value, and the husband of the golden angel is not the ruler of the universe?

Thinking of this, Ning Yuan felt cold all over his body, like falling into an ice cave, and couldn't help but shiver.

Looking down at the silver angel jewelry in his hand, it seems to have become a hot potato.

At the moment, the thought moved, and he hurriedly opened the big wormhole in the basin, wanting to throw it into the space mezzanine, so as to prevent the other party from following the trail and causing the earth to suffer.

He was just about to start when the wormhole suddenly closed.

Ning Yuan knew that it was Wanxiang Space that did it, and his tone was anxious: "Let's throw it away, just in case." ”

The latter said lightly: "No need, the angel guardian has the giver's soul imprint, but I have checked, and there is no trace on it."

There are two possibilities, first, it is erased, and second, the giver dies.

The material of this thing is unsightly, and it is hundreds of times better than steel, which is far from the identity of the overlord of the Golden Armor Angel Universe.

And she has been wearing it, which proves that the relationship between the two is very deep.

Most likely, it was sent by a sweetheart when his strength was low.

After that, the other party was destroyed for some reason. ”

After listening to the universal space analysis, Ning Yuan patted his chest with both hands and breathed a sigh of relief.

In this case, there will be no psychological pressure.

Inside and out, I studied the angel guardian structure and found it surprisingly simple.

At best, it is equivalent to an ordinary magic weapon.

He muttered: "This thing can summon angels, but the container is so bad, the strength of the angels inside must be average." ”

Having said that, Ning Yuan still had some expectations.

Immediately, wisps of spiritual power spread out and drilled into the angel guard.

The soul imprint is inscribed, that is, after confessing the Lord, the mind moves to summon the angels inside.

A large white dot of light of a grain of rice hovers high on the chest, as bright and dim as a breathing lamp.

Immediately afterwards, the point of light expanded, gradually extending into a high-quality angel.

Merely......

Ning Yuan's eyes narrowed slightly, and the angel wheel corridor in front of him seemed a little strange, why were his breasts so big?

Brush!

The white light flashed, the light and shadow condensed, and he became a holy angel with flesh and blood.

His casual expression suddenly froze, and his hands grabbed the armrests of the sofa and stared wide!

Ning Yuan's first reaction was: it!

Second reaction: It's undressed!

The third reaction: while slowly applauding while smacking in his mouth, wonderful, wonderful......

Suddenly, a female angel appeared in front of him.

Silky long blonde hair shawl, windless automatic, flying backwards.

Melon seed face, willow leaf eyebrows, and big sapphire-like eyes blink gently.

The bridge of the nose is high, the cherry lips are pink, the skin is as fair as snow, and the appearance is slightly European and American.

The collarbone under the slender neck is prominent, and the lotus root arm hangs down naturally.

Because the whole body was naked, the white rabbit red fruit on his chest appeared in Ning Yuan's sight.

The curve of Xiaoman's waist converged inward, and when the hips suddenly enlarged, the two straight and beautiful legs were close together, and there was no trace of closure in the middle.

Except, of course, the indescribable.

The most attractive thing is the pair of pure white wings with a wingspan diameter of nearly five meters behind her.

Because of the characteristics of angels, the light and mist around him are dense, and a few palm-long feathers are fluttering, rotating irregularly around the sexy and delicate body.

The guardian angel looked at Ning Yuan, and his voice was soft and weak: "Master~"

The latter rolled his Adam's apple, nodded with difficulty, beckoned to her and said in a trembling voice: "You, you come here." ”

At this moment, Ning Yuan finally realized what it means to have true love between people of the same sex.

The appearance of the guardian angel must be the same as that of the giver, that is, this thing was given to the golden armor angel by a female angel.

The two engage in lilies, the former has been dead for so many years, and the latter has become the overlord of the universe and still misses her, superimposing countless enchantments on the jewelry.

As a result, all the weapons were destroyed, but the guardian angel was still intact. (To be continued.) )