Question

-

2πa2x2

3

-的系數(shù)是______，次數(shù)是______；

2x2y-3

3

中常數(shù)項(xiàng)是______．

Answer 1

根據(jù)單項(xiàng)式次數(shù)、系數(shù)及常數(shù)項(xiàng)的定義，數(shù)字因數(shù)為：-

2

3

π，次數(shù)為：2+2=4，整理后為：

2

3

x²y-1，常數(shù)項(xiàng)是-1．