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The answer to the first volume of seventh grade mathematics basic training
P 67 multiple choice questions 1,. D 2。 A 3。 A

P 69 multiple choice questions 1. B 2。 A 3。 B 4。 B

P 69 Fill in the blanks 5 .6 6.5 and negative number 1 7. 1 8. X is 5 Y and 15.

Make sure it's right. Our teacher said that.