maths question

2007-02-10 1:56 am
___Z___ = ___5___
(Z+3)------------6

回答 (2)

2007-02-10 2:16 am
✔ 最佳答案
___Z___ = __5__
(Z+3) 6

6Z=5(Z+3)
6Z =5Z+15
6Z-5Z=15
Z=15
2007-02-10 1:59 am
6Z = 5 (Z+3)
6Z = 5Z + 15
Z = 15


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