Question

單項(xiàng)式-

4

3

a2b3的次數(shù)是

5

．

Answer 1

分析：根據(jù)單項(xiàng)式的次數(shù)的定義（單項(xiàng)式的次數(shù)是指單項(xiàng)式中所有字母的指數(shù)的和）求出即可．

解答：解：單項(xiàng)式-

4

3

a2b3的次數(shù)是2+3=5，
故答案為：5．

點(diǎn)評：本題考查了對單項(xiàng)式的有關(guān)內(nèi)容的應(yīng)用，注意：單項(xiàng)式的次數(shù)是指單項(xiàng)式中所有字母的指數(shù)的和．