定义运算A#B=AB²-2[A²B-3(B²A-4BA²)],那么1#(-1)的值是多少
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 13:50:00
![定义运算A#B=AB²-2[A²B-3(B²A-4BA²)],那么1#(-1)的值是多少](/uploads/image/z/1261013-5-3.jpg?t=%E5%AE%9A%E4%B9%89%E8%BF%90%E7%AE%97A%23B%3DAB%26%23178%3B-2%5BA%26%23178%3BB-3%28B%26%23178%3BA-4BA%26%23178%3B%29%5D%2C%E9%82%A3%E4%B9%881%23%EF%BC%88-1%EF%BC%89%E7%9A%84%E5%80%BC%E6%98%AF%E5%A4%9A%E5%B0%91)
x){n֓/OxnQ#kt5qjlZdg=t>aϳ.tD"}Z_`gCs*kj㌀Bٺ!mX[Ci~qAbԅ6`γL{cE3=;Xٌ';znx6qC
/=]lt=_:MOvL{{;Yd 2Ȇ
定义运算A#B=AB²-2[A²B-3(B²A-4BA²)],那么1#(-1)的值是多少
定义运算A#B=AB²-2[A²B-3(B²A-4BA²)],那么1#(-1)的值是多少
定义运算A#B=AB²-2[A²B-3(B²A-4BA²)],那么1#(-1)的值是多少
1#(-1)=1×(-1)^2-2[1×(-1)-3[(-1)^2+4]]=1-2[-1-15]=33
深化主题的作用,说明不屈服、艰苦奋斗的精神已世代相传