约分3a^3b^4-4a^4b^3/3a^4b^3-4a^3b^4/代表分式的符号上边是分母下边是分子请帮忙解答,
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![约分3a^3b^4-4a^4b^3/3a^4b^3-4a^3b^4/代表分式的符号上边是分母下边是分子请帮忙解答,](/uploads/image/z/1125403-43-3.jpg?t=%E7%BA%A6%E5%88%863a%5E3b%5E4-4a%5E4b%5E3%2F3a%5E4b%5E3-4a%5E3b%5E4%2F%E4%BB%A3%E8%A1%A8%E5%88%86%E5%BC%8F%E7%9A%84%E7%AC%A6%E5%8F%B7%E4%B8%8A%E8%BE%B9%E6%98%AF%E5%88%86%E6%AF%8D%E4%B8%8B%E8%BE%B9%E6%98%AF%E5%88%86%E5%AD%90%E8%AF%B7%E5%B8%AE%E5%BF%99%E8%A7%A3%E7%AD%94%2C)
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约分3a^3b^4-4a^4b^3/3a^4b^3-4a^3b^4/代表分式的符号上边是分母下边是分子请帮忙解答,
约分3a^3b^4-4a^4b^3/3a^4b^3-4a^3b^4
/代表分式的符号上边是分母下边是分子请帮忙解答,
约分3a^3b^4-4a^4b^3/3a^4b^3-4a^3b^4/代表分式的符号上边是分母下边是分子请帮忙解答,
a^3b^3(3b-4a)/((3a-4b)a^3b^3)=(3b-4a)/(3a-4b)