3. 7
3, 7 .
.
1. n, 1, ________ , __________an = ______________________________________.
2. 43 =___________________ = _________, 4 -_____________________,3-_________________________ , 64 - _________________ 43.3. ___________________________________________________________4. , ___________________
5. am : an = __________________, ( m> n, a ≠0)
6. , ______________________________________8. (ab)n = ________________.
9. _______________________________________________________10. ____________________________________________________11. ( -a3 b2) ________________________.2. , , _______________________________________________13. , ___________ _____________ _______________________14. _______________________15. , _________________ _________________.6. , _____________________ ________________ _________________________
?
1. 1 .
2. –a2b -1.
3. -345 =(-34)5
4. (- =
5. ( -1)75 = -1
6. (4)3 =12 3
7. 2 ab2 – 4a2 b +ab2 -3 .
8. ( a+b) ( a+b) = a2 + 2ab + b2
9. (2x +y) (2x – y) = 4x2 – y2
10. (6x4 + 3x3 – 1.2x2) : 3x2 = 2x2 + x – 0.4
11. 34 × x4 = ( 3x)8
12. .
1. : × × × × . : ) ×5; ) ( ) 5; )
2. , :(a+b) (a+b) × × × .
: ) 2(a+b) × × 3; ) ( a+b)2 ×( )3; ) (a+b) × 3.3.: -7 × (-2)3.
: ) -56; ) 42; ) 56.
3. : (52)3× 53 57 : ) 5; ) 25; ) 511.
4. : ( 3 x3× y2)2 × (- 2xy2)3
: ) -72 910; ) -6 1824; ) 72 99.
5. : ab (-2a – 3b).
: ) -2a2b – 3ab2; ) -2a2b – 3b; ) -2a2b + 3ab2.
6. : (1 –) (2 +).
: ) 2 – +2; ) -2 – +2; ) 2 - 2; 7. : (4 ab2 + 12 a2b3 – 8b4) : (-2b)2. : ) a + 3a2b – 2b2; ) -2a -6a2 b + 4b2; ) -a – 3a2b + 2b2.
8. m3 n6 .
: ) ( mn2)3; ) ( mn3)3; ) (mn2)3;
(0) : 04/23/2012