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nomer2:
nomer3:2ab
nomer4:8x³-27y³
nomer5:
sorry taunya segitu doang
2. terdiri dari 2 suku, yaitu M²N dan MN²
3. 6a³b² : 3a²b = 2ab
4. (2x - 3y) (4x² + 6xy + 9y²)
= 8x³ + 12x²y + 18xy² - 12x²y - 18xy² - 27y²
= 8x³ - 27y²
5. 9/y × 9/18x
= (9 × 18x) / y × (9 × y) / 18x
= 162x / y × 9y / 18x
= 1458xy / 18xy
= 81