合并同类项 5x³+3x²y-10-3x²y+x³-1
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合并同类项5x³+3x²y-10-3x²y+x³-1合并同类项5x³+3x²y-10-3x²y+x³-1合并同类项5x&
合并同类项 5x³+3x²y-10-3x²y+x³-1
合并同类项
5x³+3x²y-10-3x²y+x³-1
合并同类项 5x³+3x²y-10-3x²y+x³-1
5x³+3x²y-10-3x²y+x³-1
=5x³+x³+3x²y-3x²y-10-1
=（5+1）x³+（3-3）x²y-（10+1)
=6x³-11
合并同类项
5x³+3x²y-10-3x²y+x³-1
=6x^3-11
4x的立方-11