(a-b)(a-c)
=a^2-ac-ab+bc
可用公式:多项式乘以多项式
猜你喜欢
- 1英语翻译
- 2Please decide immediately which course you will take.(改为简单句)
- 3I.e.这个举例的缩写能不能直接用在句子开头大写
- 4求解一道SAT句子提升
- 5College is different from high school in many ways.是什么意思?
- 6Does he want to stay with you?(改为同义句)
- 7填空:The ( ) of the box is a ( ).I want to have something s_____ for supper today
- 8某幼儿园大班小班里共男32人女20人.又知大班中男女之比是4:3,小班里男女之比是2:1.大班共几名儿童?
- 9May Yulin in was 1992 in Helen born 连词成句
- 10小学几年级学音标