1个回答
展开全部
1.计算:(-3)×(-9)-8×(-5)=_____________ (67)
2.计算:-63÷7+45÷(-9) =_____________ (-14)
3.计算: =_____________ (–47)
4.计算: =_____________ (24)
5.计算: =_____________(4.95或 )
6.计算: =_____________(-15.5)
7.计算: =____________ (–30)
8.计算: =_____________(-16.5)
9. 计算: =_____________( )
10. 计算: =_____________( )
11. 化简: =_____________ ( )
12. 化简: =_____________ (3x2-7x+10)
13.化简:( )13. ( )
14. 化简: =_____________( )
15.化简: ( )
16. ( )
17.长方形的周长为 ,一边长为 ,则另一边长为_____________ ( )
18.若 ,则 的值为________________(19)
19.若 , ,则 的值等于_____________( )
20.已知ab≠0,则 =_____________ (3或-1)
21.已知 ,化简 为__________________(2x–6),值为_____________;(-3)
22.已知 ,化简 为__________________(–3x+5y),值为_____________,( )
23.已知 ,则2x+3y=_____________(5)
24. 已知 ,则2a-b+c=_____________(0)
25.已知A= ,B= 则A-B=__________ ( )
26.已知A+2B= ,其中B= 则A=__________( )
27.已知 ,
化简 为__________________(–2ab–11ab2 ),值为_____________。(–13) ¬¬
2.计算:-63÷7+45÷(-9) =_____________ (-14)
3.计算: =_____________ (–47)
4.计算: =_____________ (24)
5.计算: =_____________(4.95或 )
6.计算: =_____________(-15.5)
7.计算: =____________ (–30)
8.计算: =_____________(-16.5)
9. 计算: =_____________( )
10. 计算: =_____________( )
11. 化简: =_____________ ( )
12. 化简: =_____________ (3x2-7x+10)
13.化简:( )13. ( )
14. 化简: =_____________( )
15.化简: ( )
16. ( )
17.长方形的周长为 ,一边长为 ,则另一边长为_____________ ( )
18.若 ,则 的值为________________(19)
19.若 , ,则 的值等于_____________( )
20.已知ab≠0,则 =_____________ (3或-1)
21.已知 ,化简 为__________________(2x–6),值为_____________;(-3)
22.已知 ,化简 为__________________(–3x+5y),值为_____________,( )
23.已知 ,则2x+3y=_____________(5)
24. 已知 ,则2a-b+c=_____________(0)
25.已知A= ,B= 则A-B=__________ ( )
26.已知A+2B= ,其中B= 则A=__________( )
27.已知 ,
化简 为__________________(–2ab–11ab2 ),值为_____________。(–13) ¬¬
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询