2.5CM*0.3CM is 100. 3.5CM*0.7CM is 50. 4.4CM*0.7CM is 30. 4.5CM*1.1CM is 20. 7.2CM*1.0CM is 20. 7.2CM*1.7CM is 10. 9.0CM*1.2CM is 10. 15CM*3.4CM is 1. The above is the corresponding number of each set

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