原式=16x3+23x2-12y-13,常数项为-13.
故答案为-13.
按要求做题。
1. Tom doesn't like playing football. Kate doesn't like playing football, either.
(合并为一句)
_________Tom_______ Kate_______playing football.
2. His grandfather died 2 years ago. (改为同义句)
His grandfather________ _________ _________ ________2 years.
3. the,for,years,job,twenty,she,had,has(连词成句)
_____________________________________________________.
4.Tom has already been to America. (改为否定句)
Tom ________been to America________.
磁性载体档案贮存与保护特殊要求规定:录像带不能放在()。
A、防磁柜上
B、密集架上
C、电视机壳顶上
D、阅览桌上