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

[1/7 Formula]
    Work: Calculate the value of equation 0.65×60+0.65×40 .
    Question type: Mathematical calculation
    Solution:
          0.65×60+0.65×40
        =39+0.65×40
        =39+26
        =65
    Answer:0.65×60+0.65×40=65
[2/7 Formula]
    Work: Calculate the value of equation 0.31×65+0.31×35 .
    Question type: Mathematical calculation
    Solution:
          0.31×65+0.31×35
        =20.15+0.31×35
        =20.15+10.85
        =31
    Answer:0.31×65+0.31×35=31
[3/7 Formula]
    Work: Calculate the value of equation 3.14×0.68+3.14×0.32 .
    Question type: Mathematical calculation
    Solution:
          3.14×0.68+3.14×0.32
        =2.1352+3.14×0.32
        =2.1352+1.0048
        =3.14
    Answer:3.14×0.68+3.14×0.32=3.14
[4/7 Formula]
    Work: Calculate the value of equation 7.2×0.2+2.4×1.4 .
    Question type: Mathematical calculation
    Solution:
          7.2×0.2+2.4×1.4
        =1.44+2.4×1.4
        =1.44+3.36
        =4.8
    Answer:7.2×0.2+2.4×1.4=4.8
[5/7 Formula]
    Work: Calculate the value of equation 8.8×1.25 .
    Question type: Mathematical calculation
    Solution:
          8.8×1.25
        =11
    Answer:8.8×1.25=11
[6/7 Formula]
    Work: Calculate the value of equation 3.9×2.7+3.9×7.3 .
    Question type: Mathematical calculation
    Solution:
          3.9×2.7+3.9×7.3
        =10.53+3.9×7.3
        =10.53+28.47
        =39
    Answer:3.9×2.7+3.9×7.3=39
[7/7 Formula]
    Work: Calculate the value of equation 1.27×9.8+1.27×0.2 .
    Question type: Mathematical calculation
    Solution:
          1.27×9.8+1.27×0.2
        =12.446+1.27×0.2
        =12.446+0.254
        =12.7
    Answer:1.27×9.8+1.27×0.2=12.7

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>>注：本次最多计算 7 道题。

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