多项式7x²-5x³+3x-1是()次()项式.多项式4ab²-5-3a²b是()次()项式,三次项是()
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多项式7x²-5x³+3x-1是()次()项式.多项式4ab²-5-3a²b是()次()项式,三次项是()
多项式7x²-5x³+3x-1是()次()项式.多项式4ab²-5-3a²b是()次()项式,三次项是()
多项式7x²-5x³+3x-1是()次()项式.多项式4ab²-5-3a²b是()次()项式,三次项是()
3 4 2 4 3a的平方