2010分之2009乘以2009
=2010分之2009*(2010-1)
=2010分之2009*2010-2010分之2009
=2009-2010分之2009
=2008又2010分之1
猜你喜欢
- 1ride,go,take,rent,see,等的过去式如达何表达
- 25.-- 5.-- What would you like for ____ breakfast,Mr.Scott?-- Two pieces of bread with ____ cup
- 3I am sorry I dont know please ask[ ] A someone else B anyone else C else anyone D else someone
- 4他们把球踢进了水里,而且他们没有一个人会游泳 英语翻译
- 51.He likes the c_____ ideas and he always wants to make them ture.
- 6We can borrow books from the school ____.该填什么啊
- 7已知关于x的多项式2x-mx+n因式分解的结果为(2x-3)(x+1),试确定m,n的值
- 8Sorry I haven't been able to do______ what I should.
- 9三道初二英语选择题
- 10用一块长8厘米,宽6厘米的长方形纸,剪一个最大的圆,它的面积是多少?要剪掉部分的面积是多少?