Lê Quang Lâm - TK33

a = int(input("nhap a: "))
b = int(input("nhap b: "))
res = a + b
print(res)

from math import sqrt
from math import pow
x1 = float(input("Enter x1: "))
y1 = float(input("Enter y1: "))
x2 = float(input("Enter x2: "))
y2 = float(input("Enter y2: "))
res = sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2))
print(res)

from math import sqrt
a = int(input("Enter a: "))
b = int(input("Enter b: "))
c = int(input("Enter c: "))
d = a + b + c
p = d / 2.0
s = sqrt(p * (p - a) * (p - b) * (p - c))
print(d)
print(s)

from math import sqrt
from math import pow


def distance_points(ax, ay, bx, by):
    return sqrt(pow(bx - ax, 2) + pow(by - ay, 2))


x1 = float(input("Enter x1: "))
y1 = float(input("Enter y1: "))
x2 = float(input("Enter x2: "))
y2 = float(input("Enter y2: "))
x3 = float(input("Enter x3: "))
y3 = float(input("Enter y3: "))
dab = distance_points(x1, y1, x2, y2)
dbc = distance_points(x2, y2, x3, y3)
dac = distance_points(x1, y1, x3, y3)
print("d_AB = {:.3f}".format(dab))
print("d_BC = {:.3f}".format(dbc))
print("d_AC = {:.3f}".format(dac))

a = int(input("Nhap a: "))
b = int(input("Nhap b: "))
x = (a - 2) * (b - 2)
y = a * b - x
print(x)
print(y)

# Sum of consecutive integers calculation program
n = int(input("Nhap n: "))
s = n * (n + 1) // 2
print("Result: ", s)

n = int(input("Nhap n: "))
s = n * (n + 1) * (2 * n + 1) // 6
print("Result: ", s)

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

n = int(input("Nhap n: "))
print(n * n)

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

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

n = int(input("Nhap n: "))
s = n / (n + 1.0)
print(s)

n = int(input("Nhap n: "))
s = n * (n + 3) / (4.0 * (n + 1) * (n + 2))
print(s)

# Tong day so dac biet 1
n = int(input("Nhap n: "))
s = n * (n + 2) / ((n + 1) ** 2)
print(s)

# Tong day dac biet 2
p = int(input("Nhap p: "))
n = int(input("Nhap n: "))
s = (p ** (n + 1) - 1) // (p - 1)
print(s)

# Tong day dac biet 3
p = int(input("Nhap p: "))
n = int(input("Nhap n: "))
s = ((n + 1) * p ** (n + 1)) // (p - 1) - (p ** (n + 1) - 1) // ((p - 1) ** 2)
print(s)

n = int(input("Nhap n: "))

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

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

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

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

a = int(input("Enter a: "))
b = int(input("Enter b: "))
c = int(input("Enter c: "))
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("Enter a: "))
b = int(input("Enter b: "))
m = a * 10 + b
n = b * 10 + a
rmax = m
if rmax < n:
    rmax = n
print(rmax)

a = int(input("Enter a: "))
b = int(input("Enter b: "))
if a == 0:
    if b == 0:
        print("VSN")
    else:
        print("NONE")
else:
    x = -1.0 * b / a
    print("x = {:.3f}".format(x))

from math import sqrt
a = int(input("Enter a: "))
b = int(input("Enter b: "))
c = int(input("Enter c: "))
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))