Real\ number\
\ \ \ \ \ 実数

Rational\ number

integer

integer

Natural\ number

irrational\ number\
\ \ \ \ \ \ \ \ 虚数

\pi

success!!

-5

1.01

\sqrt2

-\sqrt 7

\frac{1}{3}

1.\dot{5}

0

0.\dot{1}2\dot{3}

(\sqrt5)^2

check!

fault

\sqrt{16}

again

\sqrt{-25}

L = (3.644579704378147, 3.461665945179156)
B = (-0.25785932001210804, 4.052944585238283)
C = (3.28981252034267, -2.704525586866025)
D = (-3.1635714940169635, -1.6233303593293356)
A = (6.769909658976399, 1.7216173758622966)
E = (5.14811681767136, -1.0489453947004694)
F = (-4.2785540724141775, 0.7586778763374327)
G = (-4.920513738764089, 2.9210683314108112)
H = (1.4484018984442406, 3.0900050857134187)
I = (3.2222378186216267, 1.9412351564556865)
J = (3.745941756959712, -1.3530315524451633)
K = (4.962286387938491, 0.5390600957440427)
a(x, y) = x^(2) + y^(2) ≤ 1
b(x, y) = 1  <  x^(2) + y^(2) ≤ 4
c(x, y) = 4  <  x^(2) + y^(2) ≤ 9
d(x, y) = 9  <  x^(2) + y^(2)
h(x, y) = x^(2) + y^(2) > 9
flag = 2