51²x 50-49² x50
= 50 x (51²-49² )
= 50 x (51+49 ) ( 51-49)
= 50 x 100 x 2
= 10000
施主,我看你骨骼清奇,
器宇轩昂,且有慧根,
乃是万中无一的武林奇才.
潜心修习,将来必成大器,
鄙人有个小小的考验请点击在下答案旁的
"选为满意答案"
猜你喜欢
- 1一辆速度为4m/s的自行车,在水平公路上匀减速的滑行40m后停止.
- 2the boy could ride a bike at the age of five(同义句)
- 3将0.075mol二氧化碳通入含有4克NaOH的溶液中,反应产物中Na2CO3的物质的量是多少
- 4ABCDE是中学化学常见的五种单质,已知ABCD在常温下为气态
- 5take my advice take= A accept B hear Creceive Dadd
- 6This box is one of ___(light) among them
- 7The world itself is becoming much smaller by using modern traffic and modern communication means.Life today is much easi
- 83t的9分之3是几t的6分之5
- 9带有等量异种电荷的物体相互接触会发生什么现象
- 10___ is the boy in a white T-shirt?只填一个单词(*¯︶¯*)感