Question

單項(xiàng)式-abx²的系數(shù)是________．

Answer 1

-1
分析：根據(jù)單項(xiàng)式系數(shù)的定義進(jìn)行解答即可．
解答：∵單項(xiàng)式-abx²的數(shù)字因數(shù)是-1，
∴單項(xiàng)式-abx²的系數(shù)是-1，
故答案為：-1．
點(diǎn)評：本題考查的是單項(xiàng)式系數(shù)的定義，即單項(xiàng)式中的數(shù)字因數(shù)叫做單項(xiàng)式的系數(shù)．