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主要内容

加减法有理表达式: 分解分母

问题

请将以下的有理式相减.
请将答案中的分母写成因式分解的形式.
start fraction, 3, y, divided by, left parenthesis, 8, y, plus, 9, right parenthesis, left parenthesis, 2, y, minus, 3, right parenthesis, end fraction, minus, start fraction, y, squared, divided by, left parenthesis, 8, y, minus, 7, right parenthesis, left parenthesis, 2, y, minus, 3, right parenthesis, end fraction, equals
不会做了?
不会做了?