Nguyễn Trung Hiếu

a=int(input('nhap a='))
b=int(input('nhap b='))
res=a+b
print(res)

from math import sqrt
a1=int(input('nhap a1='))
b1=int(input('nhap b1='))
a2=int(input('nhap a2='))
b2=int(input('nhap b2='))
c1=(a2-a1)
c2=(b2-b1)
d1=pow(c1,2)
d2=pow(c2,2)
res=sqrt(d1+d2)
print(res)

from math import sqrt
a = int(input('nhap a='))
b = int(input('nhap b='))
c = int(input('nhap c='))
d = a + b + c
p = d / 2
s = sqrt(p*(p-a)*(p-b)*(p-c))
print(d)
print(s)

from math import sqrt
x1=int(input('nhap x1='))
y1=int(input('nhap y1='))
x2=int(input('nhap x2='))
y2=int(input('nhap y2='))
x3=int(input('nhap x3='))
y3=int(input('nhap y3='))
c1=(x1-x2)
c2=(y1-y2)
d1=pow(c1,2)
d2=pow(c2,2)
h1=sqrt(d1+d2)

c3=(x3-x1)
c4=(y3-y1)
d3=pow(c3,2)
d4=pow(c4,2)
h2=sqrt(d3+d4)

c5=(x3-x2)
c6=(y3-y2)
d5=pow(c5,2)
d6=pow(c6,2)
h3=sqrt(d5+d6)

print('h1={:.3f}'.format(h1))
print('h2={:.3f}'.format(h2))
print('h3={:.3f}'.format(h3))

from math import sqrt
def dodai(a,b,c,d):
    c1 = (a - c)
    c2 = (b - d)
    d1 = pow(c1, 2)
    d2 = pow(c2, 2)
    h0 = sqrt(d1 + d2)
    return h0
x1=int(input('nhap x1='))
y1=int(input('nhap y1='))
x2=int(input('nhap x2='))
y2=int(input('nhap y2='))
x3=int(input('nhap x3='))
y3=int(input('nhap y3='))

h1= dodai(x1,y1,x2,y2)
h2= dodai(x2,y2,x3,y3)
h3= dodai(x1,y1,x3,y3)
print('h1={:.3f}'.format(h1))
print('h2={:.3f}'.format(h2))
print('h3={:.3f}'.format(h3))

from math import sqrt
a=int(input('nhap a='))
b=int(input('nhap b='))
x = 2*b+(a-2)*2
y = a*b-x
print (x)
print (y)

# tinh tong cac so tu nhien lien tiep
n=int(input('nhap n='))
s = (n*(n+1))//2
print (s)

# tong cac so le lien tiep
n=int(input('nhap n='))
ssh=(n-1)*2+1
tong=((n+1)*ssh)/2
print (tong)

# tong lap phuong so tu nhien lien tiep
n=int(input('nhap n='))
a=pow(n,2)
b=pow((n+1),2)
s=(a/4)*(b/4)
print (s)

# tong luy thua 5 so tu nhien lien tiep
n=int(input('nhap n='))
a=n*n*n*n*n*n
b=n*n*n*n*n
c=n*n*n*n
d=n*n
s=(2*a+6*b+5*c-d)/12
print(s)

# tong cac so tu nhien nhan don
n=int(input('nhap n='))
s=(n*(n+1)*(n+2))/3
print(s)

# tong cac nghich dao cap so tu nhien nhan don
n=int(input('nhap n='))
s=n/(n+1)
print(s)

# tong cac nghich dao cap ba so tu nhien nhan don
n=int(input('nhap n='))
s=-1/4+1/(2*(n+1)*(n+2))
print(s)

# tong binh phuong cac so tu nhien lien tiep
n=int(input('nhap n='))
a=n
b=n+1
c=2*n+1
s=(a*b*c)/6

print(s)

# tong day dac biet
n=int(input('nhap n='))
a=n**+2*n
b=pow((n+1),2)
s=a/b
print(s)

# kiem tra n la so chan hay so le
n=int(input('nhap n='))
if n%2==0 :
    print ('n la so chan')
else:
    print ('n la so le')

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

a = int(input('nhap a='))
b = int(input('nhap b='))
if (a>b) :
    rmax=a
else :
    rmax=b
print (rmax)

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

a = int(input('nhap a='))
b = int(input('nhap b='))
c = int(input('nhap c='))
m=a+b
n=b+c
p=a+c

smax=m
if (smax<n) :
    smax=n
if (smax<p) :
    smax=p
print(smax)

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

a = int(input('nhap a='))
b = int(input('nhap b='))
if a==0:
    if b==0 :
        print ('VSN')
    else:
        print('VN')
else:
    x=-b/a
    print('x={:.3f}'.format(x))

from math import sqrt
a = int(input('nhap a='))
b = int(input('nhap b='))
c = int(input('nhap c='))

if (a+b>c) and (a+c>b) and (b+c>a):
    d = a + b + c
    p = d / 2
    s = sqrt(p * (p - a) * (p - b) * (p - c))
    print ('s={:.3f}'.format(s))
else:
    print('a,b,c khong la ba canh cua tam giac')