Trần Vũ Bảo Minh -BT

from math import sqrt
from math import pow
x1 = float(input())
y1 = float(input())
x2 = float(input())
y2 = float(input())
res = sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2))
print('do dai doan thang AB la', res)

from math import sqrt
a = int(input())
b = int(input())
c = int(input())
d = a + b + c
p = d / 2
s = sqrt(p * (p-a) * (p-b) * (p-c))
print('chu vi tam giac la', d)
print('dien tich tam giac la', s)

from math import sqrt
from math import pow
def dodai(ax, ay, bx, by):
return sqrt(pow(bx - ax, 2) + pow(by - ay, 2))
x1 = float(input())
y1 = float(input())
x2 = float(input())
y2 = float(input())
x3 = float(input())
y3 = float(input())
dab = dodai(x1, y1, x2, y2)
dbc = dodai(x2, y2, x3, y3)
dac = dodai(x1, y1, x3, y3)
print('do dai doan thang dAB la', "d_AB = {:.3f}".format(dab))
print('do dai doan thang dBC la', "d_BC = {:.3f}".format(dbc))
print('do dai doan thang dAC la', "d_AC = {:.3f}".format(dac))

do_dai = float(input())
do_rong = float(input())

x= (do_dai-2)*(do_rong-2)
y= do_dai*do_rong-x
print("so vien gach lat o vien =",x)
print("so vien gach lat o loi =",y)

n = int(input())
s=n*(n+1)//2
print(s)

n = int(input())
s=n*(n+1)*(2*n+1)//6
print(s)

n=int(input())
print(n*n)

n=int(input())
s=n*n*(n+1)*(n+1)*(2*n*n+2*n-1)//12
print(s)

n=int(input())
s=n*(n+1)*(n+2)//3
print(s)

n= int(input())
s= n/(n+1)
print("{:.0f}".format(s))

n= int(input())
s= (n*(n+3))/(4*(n+1)*(n+2))
print("{:.0f}".format(s))

n= int(input())
s= (n*(n+2))/((n+1)*(n+1))
print("{:.0f}".format(s))

from math import pow
n= int(input())
p= int(input())
s= (pow(p, (n+1))-1)/(p-1)
print("{:.0f}".format(s))

from math import pow
n= int(input())
p= int(input())
s= ((n+1)*pow(p, (n+1)))/(p-1)-(pow(p, (n+1))-1)/((p-1)*(p-1))
print("{:.0f}".format(s))

n=int(input())


if n % 2 ==0:
   print("N la so chan")
else:
   print("N la so le")

n=int(input())
if (n % 3 ==0) and (n % 5 !=0):
  print("True")
else:
  print("False")

a=int(input())
b=int(input())
rmax=a
if rmax<b:
  rmax=b
print(rmax)

a=int(input())
b=int(input())
c=int(input())
rmin=a
if rmin>b:
  rmin=b
if rmin>c:
  rmin=c
print(rmin)

a=int(input())
b=int(input())
c=int(input())
m=a+b
n=b+c
p=a+c
rmax=m
if rmax<n:
  rmax=n
if rmax<p:
  rmax=p
print(rmax)

a=int(input())
b=int(input())
m=a*10+b
n=b*10+a
res=m
if res>n:
  res=m
else:
  res=n
print(res)

a= int(input())
b= int(input())
if a == 0:
  if b == 0:
      print("vo so nghiem")
  else:
      print("khong co nghiem nao")
else:
  x=-1.0 *b/a
  print("{:.3f}".format(x))

from math import sqrt
a = int(input())
b = int(input())
c = int(input())
d = b * b - 4 * a * c
if d < 0:
  print("NONE")
elif d == 0:
  print("x1 = x2 = {:.3f}".format(-1.0 * b/(2.0 * a)))
else:
  x1 = (-1.0 * b + sqrt(d)) / (2 * a)
  x2 = (-1.0 * b / a) -x1
  print("x1 = {:.3f}".format(x1))
  print("x2 = {:.3f}".format(x2))

from math import sqrt
a = int(input())
b = int(input())
c = int(input())
if (a + b > c) and (b + c > a) and (c + a > b):
  p = (a + b + c) / 2.0
  s = sqrt(1.0 * p * (p - a) * (p - b) * (p - c))
  print("Result: {:.3}".format(s))
else:
  print("Not 3 side lengths of a triangle")

from math import sqrt
from math import pow
def distance_points(mx,my,ix,iy):
   return sqrt(pow(bx-ax,2)+pow(by-ay,2))
mx = int(input())
my = int(input())
ix = int(input())
iy = int(input())
r = int(input())
d = distance_points(mx,my,ix,iy)
if d<r:
 print("M nam trong duong tron")
elif d==r:
 print("M nam tren duong tron")
else:
 print("M nam ngoai duong tron")