1.(1-15%)A+1.5A=4.7
2.9s-27+13s=116
3.6-2x=4-x
4.3a-a+16=24
簡易方程(解方程)
2013-03-02 1:18 am
回答 (3)
2013-03-02 3:41 am
✔ 最佳答案
你好～～～１）(1-15%)A + 1.5A = 4.7
0.85A + 1.5A = 4.7
2.35A = 4.7
A = 2
２）9s - 27 + 13s = 116
22s - 27 = 116
22s = 116 + 27
s = 143 / 22
s = 6.5
３）6 - 2x = 4 - x
6 - 4 = -x + 2x
x = 2
４）3a - a + 16 = 24
2a + 16 = 24
2a = 8
a = 4
希望可以幫到你～～～～～
參考: Yogi
2013-03-02 6:21 am
1. 85%A+1.5A=4.7
0.85A+1.5A=4.7
2.35A=4.7
A=2
2. 22s-27=116
22s=143
s=6.5
3. 6-x=4
6=4+x
2=x
x=2
4. 2a+16=24
2a=8
a=4
0.85A+1.5A=4.7
2.35A=4.7
A=2
2. 22s-27=116
22s=143
s=6.5
3. 6-x=4
6=4+x
2=x
x=2
4. 2a+16=24
2a=8
a=4
參考: my brilliant brain
2013-03-02 5:24 am
1. (1-15%)A+1.5A=4.7
85%A+1.5A=4.7
0.85A+1.5A=4.7
2.4A=4.7
A=4.7/2.4
A=2
2. 9s-27+13s=116
9s+13s=116+27
22s=143
s=143/22
s=6.5
3. 6-2x=4-x
-2x+x=4-6
-x=-2
x=2
4. 3a-a+16=24
2a=24-16
2a=8
a=8/2
a=4
85%A+1.5A=4.7
0.85A+1.5A=4.7
2.4A=4.7
A=4.7/2.4
A=2
2. 9s-27+13s=116
9s+13s=116+27
22s=143
s=143/22
s=6.5
3. 6-2x=4-x
-2x+x=4-6
-x=-2
x=2
4. 3a-a+16=24
2a=24-16
2a=8
a=8/2
a=4
收錄日期: 2021-04-16 15:37:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130301000051KK00173