(2ab^2)乘以(-3a^2b)^2

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(2ab^2)乘以(-3a^2b)^2

(2ab^2)乘以(-3a^2b)^2
(2ab^2)乘以(-3a^2b)^2

(2ab^2)乘以(-3a^2b)^2

(2ab²)×(-3a²b)²
=(2ab²)×(9a^4b²)
=18a^5b^4