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

[1/7 Formula]
    Work: Calculate the value of equation 2058+143-1058+157 .
    Question type: Mathematical calculation
    Solution:
          2058+143-1058+157
        =2201-1058+157
        =1143+157
        =1300
    Answer:2058+143-1058+157=1300
[2/7 Formula]
    Work: Calculate the value of equation 1099+1024+2001+176 .
    Question type: Mathematical calculation
    Solution:
          1099+1024+2001+176
        =2123+2001+176
        =4124+176
        =4300
    Answer:1099+1024+2001+176=4300
[3/7 Formula]
    Work: Calculate the value of equation 2085+633+1015+367 .
    Question type: Mathematical calculation
    Solution:
          2085+633+1015+367
        =2718+1015+367
        =3733+367
        =4100
    Answer:2085+633+1015+367=4100
[4/7 Formula]
    Work: Calculate the value of equation 7042+129+1058+171 .
    Question type: Mathematical calculation
    Solution:
          7042+129+1058+171
        =7171+1058+171
        =8229+171
        =8400
    Answer:7042+129+1058+171=8400
[5/7 Formula]
    Work: Calculate the value of equation 3068+139-1068+261 .
    Question type: Mathematical calculation
    Solution:
          3068+139-1068+261
        =3207-1068+261
        =2139+261
        =2400
    Answer:3068+139-1068+261=2400
[6/7 Formula]
    Work: Calculate the value of equation 2018+139+1061 .
    Question type: Mathematical calculation
    Solution:
          2018+139+1061
        =2157+1061
        =3218
    Answer:2018+139+1061=3218
[7/7 Formula]
    Work: Calculate the value of equation 2018+1038-38 .
    Question type: Mathematical calculation
    Solution:
          2018+1038-38
        =3056-38
        =3018
    Answer:2018+1038-38=3018

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>>注：本次最多计算 7 道题。

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