Overview: 5 questions will be solved this time.Among them
           ☆1 equations
           ☆2 calculations of prime factor
           ☆2 convert the decimals to fractions

[ 1/5 Equation]
    Work: Find the solution of equation 2^13-625x = 625x-1343乘以6 .
    Question type: Equation
    Solution:
    the solutions is:
        x=13    
    There are 1 solution(s).

解方程的详细方法请参阅：《方程的解法》
[ 2/5 Digital analysis ]
    Work: Convert decimal 19.84375 to fractional form.
    Question type: Convert decimal to fraction
    Solution:

19.84375=

635 32

    *Note: Convert finite decimal to fraction.
[3/5 Digtal analysis]
    Work：Break 8064 into prime factors.
    Question type: Resolving prime factor
    Solution:
        8064=2*2*2*2*2*2*2*3*3*7
    *Note: 8064 has 10 prime factors.
[ 4/5 Digital analysis ]
    Work: Convert decimal 0.640625 to fractional form.
    Question type: Convert decimal to fraction
    Solution:

0.640625=

41 64

    *Note: Convert finite decimal to fraction.
[5/5 Digtal analysis]
    Work：Break 2179072 into prime factors.
    Question type: Resolving prime factor
    Solution:
        2179072=2*2*2*2*2*2*2*2*2*2*2*2*2*2*7*19
    *Note: 2179072 has 16 prime factors.

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