2004/(2005²-2006×2004)
=2004/[2005²-(2005+1)(2005-1)]
=2004/[2005²-(2005²-1)]
=2004/(2005²-2005²+1)
=2004/1
=2004
猜你喜欢
- 1在三角形ABC中,AB=AC,AF垂直BC,点D在BA延长线上,点E在AC上,且AD=AE,试探索DE与AF的位置关系,并说明
- 2I respect your decision!&wish u lead a happy
- 3we are happy with who we are
- 4My aunt is working in her office now.改为同义句
- 51μW等于多少KW
- 6, i do read English and Mandarin.i love her so much andshe loves sky blue color you know .
- 7请运用比喻和拟人的手法描绘星星 表达自己的情感
- 878分值59除以77分之1怎么简算
- 9求高中物理选修3-2第一章静电力F、场强E、电势差U、电势φ、电势能Ep、电场力所做的功W、电势能改变量△Ep
- 10为了扩大内需,让惠于农民,丰富农民的业余生活,鼓励送彩电下乡,国家决定对购买彩电的农户实行政府补贴.规定每购买一台彩电,政府补贴若干元,经调查某商场销售彩电台数y(台)