已知A=2a²+3ab-b²,B=—1/2ab,C=3/2a³b³-1/4a²b的4次方,求2A×B²-C
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![已知A=2a²+3ab-b²,B=—1/2ab,C=3/2a³b³-1/4a²b的4次方,求2A×B²-C](/uploads/image/z/1023514-34-4.jpg?t=%E5%B7%B2%E7%9F%A5A%3D2a%26%23178%3B%2B3ab-b%26%23178%3B%2CB%3D%E2%80%941%2F2ab%2CC%3D3%2F2a%26%23179%3Bb%26%23179%3B-1%2F4a%26%23178%3Bb%E7%9A%844%E6%AC%A1%E6%96%B9%2C%E6%B1%822A%C3%97B%26%23178%3B-C)
已知A=2a²+3ab-b²,B=—1/2ab,C=3/2a³b³-1/4a²b的4次方,求2A×B²-C
已知A=2a²+3ab-b²,B=—1/2ab,C=3/2a³b³-1/4a²b的4次方,求2A×B²-C
已知A=2a²+3ab-b²,B=—1/2ab,C=3/2a³b³-1/4a²b的4次方,求2A×B²-C
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