Overview: 7 questions will be solved this time.Among them
☆7 inequalities
[ 1/7Inequality]
Assignment:Find the solution set of inequality x1+x4+x5+x6+x7 >= 300 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x * 1 + x * 4 + x * 5 + x * 6 + x * 7 >= 300 (1)
From inequality(1):
x ≥ 13.043478
The final solution set is :
x ≥ 13.043478[ 2/7Inequality]
Assignment:Find the solution set of inequality x1+x2+x5+x6+x7 >= 300 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x * 1 + x * 2 + x * 5 + x * 6 + x * 7 >= 300 (1)
From inequality(1):
x ≥ 100/7
The final solution set is :
x ≥ 100/7[ 3/7Inequality]
Assignment:Find the solution set of inequality x1+x2+x3+x6+x7 >= 350 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x * 1 + x * 2 + x * 3 + x * 6 + x * 7 >= 350 (1)
From inequality(1):
x ≥ 18.421053
The final solution set is :
x ≥ 18.421053[ 4/7Inequality]
Assignment:Find the solution set of inequality x1+x2+x3+x4+x7 >= 400 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x * 1 + x * 2 + x * 3 + x * 4 + x * 7 >= 400 (1)
From inequality(1):
x ≥ 23.529412
The final solution set is :
x ≥ 23.529412[ 5/7Inequality]
Assignment:Find the solution set of inequality x1+x2+x3+x4+x5 >= 480 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x * 1 + x * 2 + x * 3 + x * 4 + x * 5 >= 480 (1)
From inequality(1):
x ≥ 32
The final solution set is :
x ≥ 32[ 6/7Inequality]
Assignment:Find the solution set of inequality x2+x3+x4+x5+x6 >= 600 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x * 2 + x * 3 + x * 4 + x * 5 + x * 6 >= 600 (1)
From inequality(1):
x ≥ 30
The final solution set is :
x ≥ 30[ 7/7Inequality]
Assignment:Find the solution set of inequality x3+x4+x5+x6+x7 >= 550 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x * 3 + x * 4 + x * 5 + x * 6 + x * 7 >= 550 (1)
From inequality(1):
x ≥ 22
The final solution set is :
x ≥ 22
>>注:本次最多计算 7 道题。
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