а)
=(-4•2)•м⁵м⁴•n³n⁵=-8m⁹n⁸
б)
=(-3)³•(m⁷)³•(n³)³=-27m²¹n⁹
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Answers & Comments
а)
=(-4•2)•м⁵м⁴•n³n⁵=-8m⁹n⁸
б)
=(-3)³•(m⁷)³•(n³)³=-27m²¹n⁹