# -*- coding: utf-8 -*-
import math
a=int(input('Digite um valor: '))
b=int(input('Digite um valor: '))
c=int(input('Digite um valor: '))
cont=0
for i in range (0,m,1):
    a=4/(b*(b+1)*(b+2))
    cont=cont+1
    if (cont%2 ==0):
        c=c-a
    if (cont%2==1):
        c=c+a
print('%.6'%a)
37ed6e69ec0613862ae7991d0d7fddf769f2a5fc
<mask token>

<mask token>
for i in range(0, m, 1):
    a = 4 / (b * (b + 1) * (b + 2))
    cont = cont + 1
    if cont % 2 == 0:
        c = c - a
    if cont % 2 == 1:
        c = c + a
print('%.6' % a)

<mask token>
a = int(input('Digite um valor: '))
b = int(input('Digite um valor: '))
c = int(input('Digite um valor: '))
cont = 0
for i in range(0, m, 1):
    a = 4 / (b * (b + 1) * (b + 2))
    cont = cont + 1
    if cont % 2 == 0:
        c = c - a
    if cont % 2 == 1:
        c = c + a
print('%.6' % a)

import math
a = int(input('Digite um valor: '))
b = int(input('Digite um valor: '))
c = int(input('Digite um valor: '))
cont = 0
for i in range(0, m, 1):
    a = 4 / (b * (b + 1) * (b + 2))
    cont = cont + 1
    if cont % 2 == 0:
        c = c - a
    if cont % 2 == 1:
        c = c + a
print('%.6' % a)

# -*- coding: utf-8 -*-
import math
a=int(input('Digite um valor: '))
b=int(input('Digite um valor: '))
c=int(input('Digite um valor: '))
cont=0
for i in range (0,m,1):
    a=4/(b*(b+1)*(b+2))
    cont=cont+1
    if (cont%2 ==0):
        c=c-a
    if (cont%2==1):
        c=c+a
print('%.6'%a)