已知:/a–2b/+/b-3/+/c–2/.求a.b的值 .要已知:/a–2b/+/b-3/+/c–2/.求a.b的值
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已知:/a–2b/+/b-3/+/c–2/.求a.b的值 .要已知:/a–2b/+/b-3/+/c–2/.求a.b的值
已知:/a–2b/+/b-3/+/c–2/.求a.b的值 .要
已知:/a–2b/+/b-3/+/c–2/.求a.b的值
已知:/a–2b/+/b-3/+/c–2/.求a.b的值 .要已知:/a–2b/+/b-3/+/c–2/.求a.b的值
∵ /a-2b/+/b-3/+/c-2/=0.∴/a-2b/=0./b-3/=0./c-2/=0.∴b=3 c=2 a=6