Question

10．多項(xiàng)式3x²y+$\frac{1}{2}$xy-x²yz是四次三項(xiàng)式．

Answer 1

分析 直接利用幾個(gè)單項(xiàng)式的和叫做多項(xiàng)式，每個(gè)單項(xiàng)式叫做多項(xiàng)式的項(xiàng)，多項(xiàng)式中次數(shù)最高的項(xiàng)的次數(shù)叫做多項(xiàng)式的次數(shù)，進(jìn)而得出答案．

解答 解：多項(xiàng)式3x²y+$\frac{1}{2}$xy-x²yz是四次三項(xiàng)式．
故答案為：四，三．

點(diǎn)評(píng) 此題主要考查了多項(xiàng)式，正確把握多項(xiàng)式的次數(shù)與系數(shù)的定義是解題關(guān)鍵．