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

[1/7 Formula]
    Work: Calculate the value of equation 0.25×6.2×4 .
    Question type: Mathematical calculation
    Solution:
          0.25×6.2×4
        =1.55×4
        =6.2
    Answer:0.25×6.2×4=6.2
[2/7 Formula]
    Work: Calculate the value of equation 4.8×18+18×5.2 .
    Question type: Mathematical calculation
    Solution:
          4.8×18+18×5.2
        =86.4+18×5.2
        =86.4+93.6
        =180
    Answer:4.8×18+18×5.2=180
[3/7 Formula]
    Work: Calculate the value of equation 5.5×9.9+5.5×0.1 .
    Question type: Mathematical calculation
    Solution:
          5.5×9.9+5.5×0.1
        =54.45+5.5×0.1
        =54.45+0.55
        =55
    Answer:5.5×9.9+5.5×0.1=55
[4/7 Formula]
    Work: Calculate the value of equation 7.8×10.1 .
    Question type: Mathematical calculation
    Solution:
          7.8×10.1
        =78.78
    Answer:7.8×10.1=78.78
[5/7 Formula]
    Work: Calculate the value of equation 6.21×11.2-1.2×6.21 .
    Question type: Mathematical calculation
    Solution:
          6.21×11.2-1.2×6.21
        =69.552-1.2×6.21
        =69.552-7.452
        =62.1
    Answer:6.21×11.2-1.2×6.21=62.1
[6/7 Formula]
    Work: Calculate the value of equation 18.6×9.9+18.6×0.1 .
    Question type: Mathematical calculation
    Solution:
          18.6×9.9+18.6×0.1
        =184.14+18.6×0.1
        =184.14+1.86
        =186
    Answer:18.6×9.9+18.6×0.1=186
[7/7 Formula]
    Work: Calculate the value of equation 1.2×99+1.2 .
    Question type: Mathematical calculation
    Solution:
          1.2×99+1.2
        =118.8+1.2
        =120
    Answer:1.2×99+1.2=120

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>>注：本次最多计算 7 道题。

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