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

[1/7 Formula]
    Work: Calculate the value of equation 487-287-139-61 .
    Question type: Mathematical calculation
    Solution:
          487-287-139-61
        =200-139-61
        =61-61
        =0
    Answer:487-287-139-61=0
[2/7 Formula]
    Work: Calculate the value of equation 900+257+34+143 .
    Question type: Mathematical calculation
    Solution:
          900+257+34+143
        =1157+34+143
        =1191+143
        =1334
    Answer:900+257+34+143=1334
[3/7 Formula]
    Work: Calculate the value of equation 898+291+9 .
    Question type: Mathematical calculation
    Solution:
          898+291+9
        =1189+9
        =1198
    Answer:898+291+9=1198
[4/7 Formula]
    Work: Calculate the value of equation 455+664+36+444 .
    Question type: Mathematical calculation
    Solution:
          455+664+36+444
        =1119+36+444
        =1155+444
        =1599
    Answer:455+664+36+444=1599
[5/7 Formula]
    Work: Calculate the value of equation 568-68-178 .
    Question type: Mathematical calculation
    Solution:
          568-68-178
        =500-178
        =322
    Answer:568-68-178=322
[6/7 Formula]
    Work: Calculate the value of equation 522+19+78 .
    Question type: Mathematical calculation
    Solution:
          522+19+78
        =541+78
        =619
    Answer:522+19+78=619
[7/7 Formula]
    Work: Calculate the value of equation 382+165+35-82 .
    Question type: Mathematical calculation
    Solution:
          382+165+35-82
        =547+35-82
        =582-82
        =500
    Answer:382+165+35-82=500

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>>注：本次最多计算 7 道题。

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