Overview: 7 questions will be solved this time.Among them
☆6 inequalities
☆1 equations
[ 1/7 Equation]
Work: Find the solution of equation X0+X1+X2+X3+X4+X5+X6+X7+X8+X9+X10+X11 = 1 .
Question type: Equation
Solution:Original question: | X | × | 0 | + | X | × | 1 | + | X | × | 2 | + | X | × | 3 | + | X | × | 4 | + | X | × | 5 | = | 1 |
Left side of the equation = | 66 | X |
The equation is transformed into :
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
Convert the result to decimal form :
[ 2/7Inequality]
Assignment:Find the solution set of inequality X0+X1+X2 <= X3+X4+X5+X6+X7+X8+X9+X10+X11 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
X * 0 + X * 1 + X * 2 <= X * 3 + X * 4 + X * 5 + X * 6 + X * 7 + X * 8 + X * 9 + X * 10 + X * 11 (1)
From inequality(1):
X ≥ 0
The final solution set is :
X ≥ 0[ 3/7Inequality]
Assignment:Find the solution set of inequality X0 <= X1+X2 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
X * 0 <= X * 1 + X * 2 (1)
From inequality(1):
X ≥ 0
The final solution set is :
X ≥ 0[ 4/7Inequality]
Assignment:Find the solution set of inequality X1 <= X2 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
X * 1 <= X * 2 (1)
From inequality(1):
X ≥ 0
The final solution set is :
X ≥ 0[ 5/7Inequality]
Assignment:Find the solution set of inequality X3 <= X4 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
X * 3 <= X * 4 (1)
From inequality(1):
X ≥ 0
The final solution set is :
X ≥ 0[ 6/7Inequality]
Assignment:Find the solution set of inequality X3+X4 <= X5+X6+X7+X8+X9+X10+X11 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
X * 3 + X * 4 <= X * 5 + X * 6 + X * 7 + X * 8 + X * 9 + X * 10 + X * 11 (1)
From inequality(1):
X ≥ 0
The final solution set is :
X ≥ 0[ 7/7Inequality]
Assignment:Find the solution set of inequality X5 <= X6+X7+X8+X9+X10+X11 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
X * 5 <= X * 6 + X * 7 + X * 8 + X * 9 + X * 10 + X * 11 (1)
From inequality(1):
X ≥ 0
The final solution set is :
X ≥ 0
>>注:本次最多计算 7 道题。
Your problem has not been solved here? Please go to the Hot Problems section!