32+x=5(4+x)
thanks!!!!!!!!!!
數學方程式
2006-10-15 4:07 am
回答 (7)
2006-10-15 4:28 am
✔ 最佳答案
32+x=5(4+x)32+x=5(4)+5x [32+x=5*4+5x]
32+x=20+5x
32-20=5x-x
12=4x
12/4=x
3=x
x=3
PS: ( )可以是乘的意思.
2006-10-15 7:13 pm
32+x=5(4+x)
32+x=20+5x
4x=12
x=3
32+x=20+5x
4x=12
x=3
2006-10-15 6:19 pm
32+x=5(4+x)
32+x=(5)(4)+(5)(x)
32+x=20+5x
32-20=5x-x
12=4x
x=3
32+x=(5)(4)+(5)(x)
32+x=20+5x
32-20=5x-x
12=4x
x=3
2006-10-15 4:27 am
=3_________
2006-10-15 4:13 am
唔係好難：
32+x=5(4+x)
32+x=20+5x
32-20=5x-x
12=4x
3=x
x=3
32+x=5(4+x)
32+x=20+5x
32-20=5x-x
12=4x
3=x
x=3
收錄日期: 2021-04-12 22:40:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061014000051KK05094