=(2005+2000)(2005-2000)
=4005*5
=20025
猜你喜欢
- 1My mother is at home and does the housework. She always has lunch at noon and sees her her feiends
- 2修路队两天修完一条路,第一天修了全长的3/4,第二天修了360米,这条路全长是多少米?
- 3A的三次方=1008B,其中A,B均为自然数,求B的最小值
- 4两个用电器串联其中一个用电器短路了,另一个用电器怎么样?短路的用电器有没有电压?有没有电流?
- 5“look like”的过去式怎么写?
- 6初中物理压强方面典型题
- 7为了计算方便,有人将98%的浓硫酸表示的形式为:H2SO4·1/9H2O
- 8小学六年级作文《难忘的第一次》400字
- 91/2+1/2的平方+1/2的立方+1/2的4次方+…+1/2的n次方=?
- 10Thanksgiving is a day when people take time to reflect on__ they are grateful for in their lives.