(-5a^2 b)(-3a)=[(-5)×(-3)]a^(2+1)b
=15 a^3 b
hehe
猜你喜欢
- 1修一条路,已修的是未修的10分之7,再修45米后已修的是未修的9分之8这条路长多少米
- 2表示“看”的成语有,表示喜悦心情的成语有
- 3He is --- the radio,but he can---nothing,because there's something wrong with his---.
- 4亚洲中部气温年变化大,降水量小,影响其气候的主要因素是( ) A.纬度因素 B.海陆因素 C.地形因素 D.洋流因素
- 5There are many shops on____side of the street.
- 6塞翁失马焉知非福与老子所说的什么相似?
- 7匀速直线运动的物体机械能是否守恒?
- 8we all have such a feeling that when we hold positive attitude towards a world,
- 9excellent,future,I,an,the,be,dancer,want,in,to(连词成句)
- 10描写大自然声音的词