數學問題..

2007-05-16 4:22 am
( U + 2 ) x 60% = 18

4 ( s + 2 份之 1 = 14

回答 (3)

2007-05-16 5:28 am
✔ 最佳答案
(U+2)x60%除60%=18除60%
U+2=10.8
U=8.8


4(s+2 份之 1=14
s+2 份之 1=3.5
s=3
參考: me
2007-05-16 5:37 am
(U+2)x60%=18

(u+2)x60% 18
---------------- =---------
60% 60%

U+2-2 = 30-2

U =28



4( s + 1 ) =14
----
2

4(s+0.5) 14
-------------- = ------
4 4

s+0.5-0.5 = 3.5-0.5
s = 3
參考: 我自己啦!你做果陣時記得等號要對好呀!
2007-05-16 4:33 am
(u+2)x60%=18
u+2=30
u=28


4(s+2)/1=14
4(s+2)=14
4s+8=14
4s=6
s=6/4
s=1.5


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