Mathematics Examination Questions and Answers for Senior High School Entrance Examination in Hebei Province - Training Enrollment Network

Mathematics Examination Questions and Answers for Senior High School Entrance Examination in Hebei Province

1 The phone number is 60-x-y.

2 y=2x-50[x is greater than or equal to 8, small fish is equal to 36]

3 p = 1200 x+ 1600y+ 1300 { 60-x-y }-6 1000- 1500

P=500x+500，y=2x-50。

When A 34 B 18 C8, the maximum profit is 17500 yuan.

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