Overview: 4 questions will be solved this time.Among them
           ☆4 equations

[ 1/4 Equation]
    Work: Find the solution of equation p1 = 0.64p1+0.2p2+0.16p3 .
    Question type: Equation
    Solution:Original question:

p

×

1

=

16 25

p

×

1

+

1 5

p

×

2

+

4 25

p

×

3

Right side of the equation =

16 25

p

+

2 5

p

+

12 25

p

=

38 25

p

    The equation is transformed into :

1

p

=

38 25

p

    Transposition :

1

p

−

38 25

p

=

0

    Combine the items on the left of the equation:

-

13 25

p

=

0

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :

-

0

=

13 25

p

    If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :

13 25

p

=

-

0

    The coefficient of the unknown number is reduced to 1 :

p

=

-

0

÷

13 25

=

-

0

×

25 13

    We obtained :

p

=

0

    This is the solution of the equation.

[ 2/4 Equation]
    Work: Find the solution of equation p2 = 0.08p1+0.9p2+0.02p3 .
    Question type: Equation
    Solution:Original question:

p

×

2

=

2 25

p

×

1

+

9 10

p

×

2

+

1 50

p

×

3

Right side of the equation =

2 25

p

+

9 5

p

+

3 50

p

=

97 50

p

    The equation is transformed into :

2

p

=

97 50

p

    Transposition :

2

p

−

97 50

p

=

0

    Combine the items on the left of the equation:

3 50

p

=

0

    The coefficient of the unknown number is reduced to 1 :

p

=

0

÷

3 50

=

0

×

50 3

    We obtained :

p

=

0

    This is the solution of the equation.

[ 3/4 Equation]
    Work: Find the solution of equation p3 = 0.24p1+0.7p2+0.06p3 .
    Question type: Equation
    Solution:Original question:

p

×

3

=

6 25

p

×

1

+

7 10

p

×

2

+

3 50

p

×

3

Right side of the equation =

6 25

p

+

7 5

p

+

9 50

p

=

91 50

p

    The equation is transformed into :

3

p

=

91 50

p

    Transposition :

3

p

−

91 50

p

=

0

    Combine the items on the left of the equation:

59 50

p

=

0

    The coefficient of the unknown number is reduced to 1 :

p

=

0

÷

59 50

=

0

×

50 59

    We obtained :

p

=

0

    This is the solution of the equation.

[ 4/4 Equation]
    Work: Find the solution of equation p1+p2+p3 = 1 .
    Question type: Equation
    Solution:Original question:

p

×

1

+

p

×

2

+

p

×

3

=

1

Left side of the equation =

6

p

    The equation is transformed into :

6

p

=

1

    The coefficient of the unknown number is reduced to 1 :

p

=

1

÷

6

=

1

×

1 6

    We obtained :

p

=

1 6

    This is the solution of the equation.

    Convert the result to decimal form :

p

=

0.166667

---

以下题目输入有误或有空行，请仔细检查，改正后再计算：
1==>错误类型：不等式含有多元未知数(6): pj>0,j=1,2,3
解多元方程，请点击多元方程
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