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

[1/7 Formula]
    Work: Calculate the value of equation 57+696+266 .
    Question type: Mathematical calculation
    Solution:
          57+696+266
        =753+266
        =1019
    Answer:57+696+266=1019
[2/7 Formula]
    Work: Calculate the value of equation 468+856+213 .
    Question type: Mathematical calculation
    Solution:
          468+856+213
        =1324+213
        =1537
    Answer:468+856+213=1537
[3/7 Formula]
    Work: Calculate the value of equation 578+999+921 .
    Question type: Mathematical calculation
    Solution:
          578+999+921
        =1577+921
        =2498
    Answer:578+999+921=2498
[4/7 Formula]
    Work: Calculate the value of equation 5789+458+543 .
    Question type: Mathematical calculation
    Solution:
          5789+458+543
        =6247+543
        =6790
    Answer:5789+458+543=6790
[5/7 Formula]
    Work: Calculate the value of equation 46+256+728 .
    Question type: Mathematical calculation
    Solution:
          46+256+728
        =302+728
        =1030
    Answer:46+256+728=1030
[6/7 Formula]
    Work: Calculate the value of equation 4567+726+501 .
    Question type: Mathematical calculation
    Solution:
          4567+726+501
        =5293+501
        =5794
    Answer:4567+726+501=5794
[7/7 Formula]
    Work: Calculate the value of equation 798+168+750 .
    Question type: Mathematical calculation
    Solution:
          798+168+750
        =966+750
        =1716
    Answer:798+168+750=1716

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>>注：本次最多计算 7 道题。

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