8+88+888+8888+88888+888888+8888888+88888888；7*9+27*29+227*229+2227*2229_ Mathematical calculation

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Mathematical calculation：
Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).

Current location：Mathematical operation > History of Mathematical Computation > Answer

    Overview: 2 questions will be solved this time.Among them
           ☆2 arithmetic calculations

[1/2 Formula]
    Work: Calculate the value of equation 8+88+888+8888+88888+888888+8888888+88888888 .
    Question type: Mathematical calculation
    Solution:
          8+88+888+8888+88888+888888+8888888+88888888
        =96+888+8888+88888+888888+8888888+88888888
        =984+8888+88888+888888+8888888+88888888
        =9872+88888+888888+8888888+88888888
        =98760+888888+8888888+88888888
        =987648+8888888+88888888
        =9876536+88888888
        =98765424
    Answer:8+88+888+8888+88888+888888+8888888+88888888=98765424
[2/2 Formula]
    Work: Calculate the value of equation 7*9+27*29+227*229+2227*2229 .
    Question type: Mathematical calculation
    Solution:
          7*9+27*29+227*229+2227*2229
        =63+27*29+227*229+2227*2229
        =63+783+227*229+2227*2229
        =63+783+51983+2227*2229
        =63+783+51983+4963983
        =846+51983+4963983
        =52829+4963983
        =5016812
    Answer:7*9+27*29+227*229+2227*2229=5016812

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