Overview: 3 questions will be solved this time.Among them
           ☆3 arithmetic calculations

[1/3 Formula]
    Work: Calculate the value of equation 1.1×1.01+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06 .
    Question type: Mathematical calculation
    Solution:
          1.1×1.01+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06
        =1.111+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06
        =1.111+4.444+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06
        =1.111+4.444+9.999+4.4×4.04+5.5×5.05+6.6×6.06
        =1.111+4.444+9.999+17.776+5.5×5.05+6.6×6.06
        =1.111+4.444+9.999+17.776+27.775+6.6×6.06
        =1.111+4.444+9.999+17.776+27.775+39.996
        =5.555+9.999+17.776+27.775+39.996
        =15.554+17.776+27.775+39.996
        =33.33+27.775+39.996
        =61.105+39.996
        =101.101
    Answer:1.1×1.01+2.2×2.02+3.3×3.03+4.4×4.04+5.5×5.05+6.6×6.06=101.101
[2/3 Formula]
    Work: Calculate the value of equation 3.6×6.3×2.7÷(7.2×0.9×2.7) .
    Question type: Mathematical calculation
    Solution:
          3.6×6.3×2.7÷(7.2×0.9×2.7)
        =3.6×6.3×2.7÷17.496
        =22.68×2.7÷17.496
        =61.236÷17.496
        =3.5
    Answer:3.6×6.3×2.7÷(7.2×0.9×2.7)=3.5
[3/3 Formula]
    Work: Calculate the value of equation 1888+18888+188888+1888888+18888888+188888888+1888888888 .
    Question type: Mathematical calculation
    Solution:
          1888+18888+188888+1888888+18888888+188888888+1888888888
        =20776+188888+1888888+18888888+188888888+1888888888
        =209664+1888888+18888888+188888888+1888888888
        =2098552+18888888+188888888+1888888888
        =20987440+188888888+1888888888
        =209876328+1888888888
        =2098765216
    Answer:1888+18888+188888+1888888+18888888+188888888+1888888888=2098765216

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