Question

單項式-

1

3

a3bc2次數(shù)是______、系數(shù)是______，代數(shù)式1-2x是______與______這二項的和．

Answer 1

單項式-

1

3

a3bc2次數(shù)是3+1+2=6、系數(shù)是-

1

3

，
代數(shù)式1-2x是1與-2x這二項的和．
故答案為6、-

1

3

；1，-2x．