计算1.(-2x^4y^2z^3)*(-3x^2y^2z^4)= 2.(5x^3-2x^2+3x+4)-(3x^3-5x^2+3)= 3.(√3+3√2)(2√3-√2)=求答案
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![计算1.(-2x^4y^2z^3)*(-3x^2y^2z^4)= 2.(5x^3-2x^2+3x+4)-(3x^3-5x^2+3)= 3.(√3+3√2)(2√3-√2)=求答案](/uploads/image/z/3015670-22-0.jpg?t=%E8%AE%A1%E7%AE%971.%28-2x%5E4y%5E2z%5E3%29%2A%28-3x%5E2y%5E2z%5E4%29%3D+2.%285x%5E3-2x%5E2%2B3x%2B4%29-%283x%5E3-5x%5E2%2B3%29%3D+3.%28%E2%88%9A3%2B3%E2%88%9A2%29%282%E2%88%9A3-%E2%88%9A2%29%3D%E6%B1%82%E7%AD%94%E6%A1%88)
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计算1.(-2x^4y^2z^3)*(-3x^2y^2z^4)= 2.(5x^3-2x^2+3x+4)-(3x^3-5x^2+3)= 3.(√3+3√2)(2√3-√2)=求答案
计算1.(-2x^4y^2z^3)*(-3x^2y^2z^4)= 2.(5x^3-2x^2+3x+4)-(3x^3-5x^2+3)= 3.(√3+3√2)(2√3-√2)=求答案
计算1.(-2x^4y^2z^3)*(-3x^2y^2z^4)= 2.(5x^3-2x^2+3x+4)-(3x^3-5x^2+3)= 3.(√3+3√2)(2√3-√2)=求答案
1.(-2x^4y^2z^3)*(-3x^2y^2z^4)= 6x^6y^4z^7
2.(5x^3-2x^2+3x+4)-(3x^3-5x^2+3)= 2x^3+3x^2+1
3.(√3+3√2)(2√3-√2)=5√6
如果认为讲解不够清楚,
1.(-2x^4y^2z^3)*(-3x^2y^2z^4)
=6x^6y^4z^7
2.(5x^3-2x^2+3x+4)-(3x^3-5x^2+3)
=2x^3+3x^2+3x+1
3.(√3+3√2)(2√3-√2)
=6+6√6-√6-6
=5√6
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