A = ? 呀 如果 3A +5A =6A +16

[匿名]

2010-05-17 11:46 pm

3A + 5A = 6A +16

那麼 A 應該是多少 點樣計呀

回答 (3)

NAME

2010-05-18 3:29 am

✔ 最佳答案

解： 3A+5A=6A+16
8A=6A+16
8A-6A=6A+16-6A
2A=16
A=8

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kennethtong

2010-05-22 5:04 am

3A + 5A = 6A +16
8A=6A+16
8A-6A=16
2A=16
A=8

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[匿名]

2010-05-17 11:50 pm

8A = 6A +16
8A - 6A = 16
2A = 16
A = 16/2 = 8

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