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

[1/7 Formula]
    Work: Calculate the value of equation 2.5×0.125×40×80 .
    Question type: Mathematical calculation
    Solution:
          2.5×0.125×40×80
        =0.3125×40×80
        =12.5×80
        =1000
    Answer:2.5×0.125×40×80=1000
[2/7 Formula]
    Work: Calculate the value of equation 0.9×9.9 .
    Question type: Mathematical calculation
    Solution:
          0.9×9.9
        =8.91
    Answer:0.9×9.9=8.91
[3/7 Formula]
    Work: Calculate the value of equation 8.6×9+8.6 .
    Question type: Mathematical calculation
    Solution:
          8.6×9+8.6
        =77.4+8.6
        =86
    Answer:8.6×9+8.6=86
[4/7 Formula]
    Work: Calculate the value of equation 2.4×11.9+2.4×8.1 .
    Question type: Mathematical calculation
    Solution:
          2.4×11.9+2.4×8.1
        =28.56+2.4×8.1
        =28.56+19.44
        =48
    Answer:2.4×11.9+2.4×8.1=48
[5/7 Formula]
    Work: Calculate the value of equation 0.32×403 .
    Question type: Mathematical calculation
    Solution:
          0.32×403
        =128.96
    Answer:0.32×403=128.96
[6/7 Formula]
    Work: Calculate the value of equation 0.5×104 .
    Question type: Mathematical calculation
    Solution:
          0.5×104
        =52
    Answer:0.5×104=52
[7/7 Formula]
    Work: Calculate the value of equation 1.8×2.5×8 .
    Question type: Mathematical calculation
    Solution:
          1.8×2.5×8
        =4.5×8
        =36
    Answer:1.8×2.5×8=36

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>>注：本次最多计算 7 道题。

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