18x + 2y)² = x² + 4xy + 4y2 27 2x-sy)² = 4x² - 20xy +loxy 3201)=(100+1)=10000 + 200 + 2 = 10202 48 (95.) -600-2.3. Contoh 5/5m +3n som - Jn) = 25 m² 150 m² 1003
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