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МатематикаВопрос:
31. (-3a²b) ⋅ ($$\frac{1}{6}$$ab³).
Ответ:
31. (-3a²b) ⋅ ($$\frac{1}{6}$$ab³) = -3 ⋅ $$\frac{1}{6}$$ ⋅ a² ⋅ a ⋅ b ⋅ b³ = -$$\frac{1}{2}$$a³b⁴
Ответ: -$$\frac{1}{2}$$a³b⁴
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