การคูณเอกนาม

(-3xy²)(6xy) = ?

• -18xy²

• -18x²y³

• 18x²y³

• 3x²y³

(7mn)(5mn)(-2mn) = ?

• 70mn

• -70mn

• 70m³n³

• -70m³n³

(-8ab³)(5ab)(-ab) = ?

• 40a³b⁵

• -40a³b⁵

• -40a³b³

• 40a³b³

(5pq)(-4p²q³) = ?

• 20p³q⁴

• 20p²q³

• -20p²q³

• -20p³q⁴

(-7xy)(-8xy) = ?

• 56xy

• -56xy

• 56x²y²

• -56x²y²

(11uv²)(-3u³v²) = ?

• -33u⁴v⁴

• -33u³v²

• 33u³v²

• 33u⁴v⁴

(-7mn⁴)(-3) = ?

• 21mn⁴

• -21mn⁴

• 10mn⁴

• -10mn⁴

(-9st³)(2st)(-s²t) = ?

• -18s⁴t⁵

• -18st³

• 18s⁴t⁵

• 18st³

(-6cd)(-7cd) = ?

• 42cd

• -42cd

• 42c²d²

• -42c²d²

(-12mn²)(8mn) = ?

• 96mn²

• -96m²n³

• 96m²n³

• -96mn²