A+B-C/D=4 A-B+C/D=4 A×B-C+D=9求A.B.C.D的值!高分在线等!高手请进啊答案结果是a=4 b=6 c=18 d=3,但是能告诉我是怎么算的么?
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![A+B-C/D=4 A-B+C/D=4 A×B-C+D=9求A.B.C.D的值!高分在线等!高手请进啊答案结果是a=4 b=6 c=18 d=3,但是能告诉我是怎么算的么?](/uploads/image/z/13356256-40-6.jpg?t=A%2BB%EF%BC%8DC%2FD%3D4+A%EF%BC%8DB%EF%BC%8BC%2FD%3D4+A%C3%97B%EF%BC%8DC%EF%BC%8BD%3D9%E6%B1%82A.B.C.D%E7%9A%84%E5%80%BC%21%E9%AB%98%E5%88%86%E5%9C%A8%E7%BA%BF%E7%AD%89%21%E9%AB%98%E6%89%8B%E8%AF%B7%E8%BF%9B%E5%95%8A%E7%AD%94%E6%A1%88%E7%BB%93%E6%9E%9C%E6%98%AFa%3D4+b%3D6+c%3D18+d%3D3%2C%E4%BD%86%E6%98%AF%E8%83%BD%E5%91%8A%E8%AF%89%E6%88%91%E6%98%AF%E6%80%8E%E4%B9%88%E7%AE%97%E7%9A%84%E4%B9%88%3F)
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