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the math exercise-scale drawingf3 level
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38211.15.pAIIA 1:5B 1:1016.B 1:3C 1:20D1:*Q0D1:f13.A2cmB 3cmC 18cmD 27cm+~ cm2~Rajah I2021.L1.2.3.Rajah IIA16B414.