1)4分之7-3y=-5
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2)3分之2(a-2)=6
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3)5分之1(2a-3)=3
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4)7分之-(6-8b)=6
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5)9分之-3b-12=2
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中一方程式
2008-10-03 2:10 am
回答 (1)
2008-10-03 2:23 am
✔ 最佳答案
1) 4分之7-3y= -57 - 3y = -20
-3y = -27
y = 9
2) 3分之2(a-2) = 6
2a-4 = 18
2a = 22
a = 11
3) 5分之1(2a-3) = 3
2a-3 = 15
2a = 18
a = 9
4) 7分之-(6-8b) = 6
-6 8b = 42
8b = 48
b = 6
5) 9分之-3b-12 = 2
-3b-12 = 18
-3b = 30
b = -10
收錄日期: 2021-04-15 18:27:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081002000051KK01292