谁能给我50道十字相乘的题
1个回答
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(1)9X²—y²
(2)x²-6x+9
(3)M ²-5m-6
(4)a ²-4ab+4b²
(5)12x²-13x+3;
(6)4x²+24x+27.
(7)6x²-13xy+6y²;
(8)8x²y²+6xy-35;
(9)18x²-21xy+5y²;
(10)2(a+b) ²+(a+b)(a-b)-6(a-b)
(11)2x²+3x+1;
(12)2y²+y-6;
(13)6x²-13x+6;
(14)3a²-7a-6;
(15)6x²-11xy+3y²;
(16)4m²+8mn+3n²;
(17)10x²-21xy+2y²;
(18)8m²-22mn+15n
(19)4n²+4n-15;
(20)6a²+a-35;
(21)5x²-8x-13;
(22)4x²+15x+9
(23)15x²+x-2;
(24)6y²+19y+10;
(25)20-9y-20y²;
(26)7(x-1)²+4(x-1)(y+2)-20(y+2)
(27)ax+ay+bx+by
(28)x²-x-y²-y
(29)9a²-5
(30)b²-10ab+25
1. x3+y3+z3-3xyz
2. (x2+xy+y2)2-4xy(x2+y2)
3. 4(x2+3x+1)-(x2+x-4)2-(x2+5x+6)2
4. 6x4+7x3-36x2-7x+6
5. (1+x+x2+x3)2-x3
6. x4-2002x2+2003x-2002
7. (a-b)4+(a+b)4+(a2-b2)2
8. m4+m2-2mn-n2+1
9. p4-4p3-8p+4
10. a2+(a+1)2+(a2+a)2
11. x3y-xy3+x2+y2+1
12. (x2+1)2-x2+x(x-2)(x2+x+1)
13. (6x+7)2(3x+4)(x+1)-6
14. (x2-15x+54)(x2+11x+28)+350
15. x12+x9+x6+x3+1
你个傻子cy
lxy
(2)x²-6x+9
(3)M ²-5m-6
(4)a ²-4ab+4b²
(5)12x²-13x+3;
(6)4x²+24x+27.
(7)6x²-13xy+6y²;
(8)8x²y²+6xy-35;
(9)18x²-21xy+5y²;
(10)2(a+b) ²+(a+b)(a-b)-6(a-b)
(11)2x²+3x+1;
(12)2y²+y-6;
(13)6x²-13x+6;
(14)3a²-7a-6;
(15)6x²-11xy+3y²;
(16)4m²+8mn+3n²;
(17)10x²-21xy+2y²;
(18)8m²-22mn+15n
(19)4n²+4n-15;
(20)6a²+a-35;
(21)5x²-8x-13;
(22)4x²+15x+9
(23)15x²+x-2;
(24)6y²+19y+10;
(25)20-9y-20y²;
(26)7(x-1)²+4(x-1)(y+2)-20(y+2)
(27)ax+ay+bx+by
(28)x²-x-y²-y
(29)9a²-5
(30)b²-10ab+25
1. x3+y3+z3-3xyz
2. (x2+xy+y2)2-4xy(x2+y2)
3. 4(x2+3x+1)-(x2+x-4)2-(x2+5x+6)2
4. 6x4+7x3-36x2-7x+6
5. (1+x+x2+x3)2-x3
6. x4-2002x2+2003x-2002
7. (a-b)4+(a+b)4+(a2-b2)2
8. m4+m2-2mn-n2+1
9. p4-4p3-8p+4
10. a2+(a+1)2+(a2+a)2
11. x3y-xy3+x2+y2+1
12. (x2+1)2-x2+x(x-2)(x2+x+1)
13. (6x+7)2(3x+4)(x+1)-6
14. (x2-15x+54)(x2+11x+28)+350
15. x12+x9+x6+x3+1
你个傻子cy
lxy
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