Overview: 6 questions will be solved this time.Among them
           ☆1 arithmetic calculations
           ☆1 fraction calculations
           ☆1 integer calculations
           ☆3 convert the decimals to fractions

[1/% Digital analysis]
    Assignment: Convert 2/3 to decimal.
    Question type: Convert fraction to decimal
    Solution:
        2/3=0.6
    *Note: Output 1 pure recurring decimals for this fraction,
        有1位（Underlined cyan font）circular section。
[ 2/6 Digital analysis ]
    Work: Convert decimal 0.67 to fractional form.
    Question type: Convert decimal to fraction
    Solution:

0.67=

67 100

    *Note: Convert finite decimal to fraction.
[ 3/6 Digital analysis ]
    Work: Convert decimal 0.355 to fractional form.
    Question type: Convert decimal to fraction
    Solution:

0.355=

71 200

    *Note: Convert finite decimal to fraction.
[ 4/6 Digital analysis ]
    Work: Convert decimal 2.439 to fractional form.
    Question type: Convert decimal to fraction
    Solution:

2.439=

2439 1000

    *Note: Convert finite decimal to fraction.
[ 5/6 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 1/1-1/2
    Solution:

1

－

1 2

    Divide two fractions with defferent denominators:The denominators of two fractions are 1 and 2 respectively,their least common multiple is 2
    Divide the least common multiple 2 by the denominator 1 of the minuend to get 2
    Multiply the numerator 1 and denominator 1 of the subtracted number by 2
    Then divide the least common multiple 2 by the denominator 2 of the subtraction to get 1
    Multiply the subtracted numerator 1 and denominator 2 by 1 at the same time

=

2 2

－

1 2

Calculation result:

=

1 2

[6/6 Formula]
    Work: Calculate the value of equation 12345/10000+0.7655 .
    Question type: Mathematical calculation
    Solution:
          12345/10000+0.7655
        =1.2345+0.7655
        =2
    Answer:12345/10000+0.7655=2

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