Выполните умножение:
[tex] - \frac{1}{9}(0.5 {a}^{2} {b}^{2} - ab + 0.9)( - ab) = ... \\ - {b}^{3} ( - 0.3 {a}^{2} b \: - 0.4ab + 1) \times \frac{1}{6} {a}^{2} {b}^{2} = ...[/tex]
[tex] - \frac{1}{9}(0.5 {a}^{2} {b}^{2} - ab + 0.9)( - ab) = ... \\ - {b}^{3} ( - 0.3 {a}^{2} b \: - 0.4ab + 1) \times \frac{1}{6} {a}^{2} {b}^{2} = ...[/tex]
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