1. 4(-5-2)2次方-3(-4除2)2次方+6(-3)3次方
2. -5(-7+2)2次方-3(-3x2)2次方+12(-1)49次方
要公式和答案
萬分感謝!!!!!!
負數問題 非常急~~~~
2012-10-24 9:19 am
回答 (2)
2012-10-24 12:34 pm
✔ 最佳答案
4x(-5-2)^2-3x(-4/2)^2+6x(-3)^3=4x49-3x4+6x(-27)
=22
-5x(-7+2)^2-3x(-3x2)^2+12x(-1)^49
=-5x25-3x36+12x(-1)
= -245
2012-10-24 5:05 pm
1.
=4x49-3x4+6x(-27)
=22
2.
=-5x25-3x36+12x(-1)
= -245
=4x49-3x4+6x(-27)
=22
2.
=-5x25-3x36+12x(-1)
= -245
收錄日期: 2021-04-13 19:04:10
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121024000051KK00027