簡易方程55%(n-6)=27.5

2007-05-24 9:34 pm
點計
55%(n-6)=27.5




(w+1.6)÷12%=15
更新1:

55 ___ -3y= 1 4 __ 6 2

回答 (3)

2007-05-24 9:48 pm
✔ 最佳答案
55%(n-6)÷55%=15÷55%
n-6=30
n-6+6=30+6
n=36
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(w+1.6)÷12%=15
(w+1.6)÷12%x12%=15x12%
w+1.6-1.6=1.8-1.6
w=0.2
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參考: 有什麼數學問題就找我啦!
2007-06-04 4:00 pm
ur first sample is wrong.
2007-05-25 3:31 am
55%(n-6)=27.5
n-6=27.5÷55%
n-6=50
n=50+6
n=56




(w+1.6)÷12%=15
w+1.6=15X12%
w+1.6=1.8
w=1.8-1.6
w=0.2
參考: myself


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