Overview: 7 questions will be solved this time.Among them
           ☆7 arithmetic calculations

[1/7 Formula]
    Work: Calculate the value of equation 125×81-125 .
    Question type: Mathematical calculation
    Solution:
          125×81-125
        =10125-125
        =10000
    Answer:125×81-125=10000
[2/7 Formula]
    Work: Calculate the value of equation 91×31-91 .
    Question type: Mathematical calculation
    Solution:
          91×31-91
        =2821-91
        =2730
    Answer:91×31-91=2730
[3/7 Formula]
    Work: Calculate the value of equation 18×72+18×17+18×911 .
    Question type: Mathematical calculation
    Solution:
          18×72+18×17+18×911
        =1296+18×17+18×911
        =1296+306+18×911
        =1296+306+16398
        =1602+16398
        =18000
    Answer:18×72+18×17+18×911=18000
[4/7 Formula]
    Work: Calculate the value of equation 5×(40-4) .
    Question type: Mathematical calculation
    Solution:
          5×(40-4)
        =5×36
        =180
    Answer:5×(40-4)=180
[5/7 Formula]
    Work: Calculate the value of equation 16×256-16×56 .
    Question type: Mathematical calculation
    Solution:
          16×256-16×56
        =4096-16×56
        =4096-896
        =3200
    Answer:16×256-16×56=3200
[6/7 Formula]
    Work: Calculate the value of equation 125×(80+8) .
    Question type: Mathematical calculation
    Solution:
          125×(80+8)
        =125×88
        =11000
    Answer:125×(80+8)=11000
[7/7 Formula]
    Work: Calculate the value of equation 69×45+31×45 .
    Question type: Mathematical calculation
    Solution:
          69×45+31×45
        =3105+31×45
        =3105+1395
        =4500
    Answer:69×45+31×45=4500

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>>注：本次最多计算 7 道题。

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