Photos 3.2 Х

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3.2 х. 3х - 4у =2 9х2 - 16у2 = 20. Х+2/9=Х-3/2. 5а+2/а3-3а+2/а3. 3a3 (2a2 - 4).
3х - 4у =2 9х2 - 16у2 = 20. Х+2/9=Х-3/2. 5а+2/а3-3а+2/а3. 3a3 (2a2 - 4).