多項數...........百分數
2012-04-03 7:14 pm
回答 (2)
2012-04-04 5:26 am
✔ 最佳答案
11(3+2x^3-2x)+(3x-1-4x^2)
=2x^3-4x^2+x+2
=2+x-4x^2+2x^3
12
(3x^2-6)(x-1)
=3x^3-3x^2-6x+6
=6-6x-3x^2+3x^3
13
(2x-3x^2-3)-(3x+2-2x^3)
=2x^3-3x^2-x-5
14
(4x+9)(5-3x^2)
=20x-12x^3+45-27x^2
=-12x^3-27x^2+20x+45
1
50*20%
=10
2
$5000*72%
=$3600
2012-04-03 8:58 pm
11) 2 +x -4x^2 +2x^3
12) 1 - 6x -3x^2 + 3x^3
13) -5 - x -3x^2 + 2x^3
14) 45 + 20x - 18x^2 - 8x^3
15) 50 x 20% = 10
16) $5000 x 72% =$3600
12) 1 - 6x -3x^2 + 3x^3
13) -5 - x -3x^2 + 2x^3
14) 45 + 20x - 18x^2 - 8x^3
15) 50 x 20% = 10
16) $5000 x 72% =$3600
收錄日期: 2021-04-13 18:36:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120403000051KK00229