几道计算题 求解 要过程因式分解3a²b-6ab²-ab-2m²+12m-18x²(y-2)+2-y(x²-xy)²-(xy-y²)²先化简 在求值a^4-(2+a)(2-a)(a²+4),其中a=-2;(a+b)(a-b)+(a+b)²-a(b+2a),其中a=-3/13,b=3¼
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 04:55:42
![几道计算题 求解 要过程因式分解3a²b-6ab²-ab-2m²+12m-18x²(y-2)+2-y(x²-xy)²-(xy-y²)²先化简 在求值a^4-(2+a)(2-a)(a²+4),其中a=-2;(a+b)(a-b)+(a+b)²-a(b+2a),其中a=-3/13,b=3¼](/uploads/image/z/3903845-5-5.jpg?t=%E5%87%A0%E9%81%93%E8%AE%A1%E7%AE%97%E9%A2%98+%E6%B1%82%E8%A7%A3+%E8%A6%81%E8%BF%87%E7%A8%8B%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A33a%26%23178%3Bb-6ab%26%23178%3B-ab-2m%26%23178%3B%2B12m-18x%26%23178%3B%EF%BC%88y-2%EF%BC%89%2B2-y%28x%26%23178%3B-xy%29%26%23178%3B-%28xy-y%26%23178%3B%29%26%23178%3B%E5%85%88%E5%8C%96%E7%AE%80+%E5%9C%A8%E6%B1%82%E5%80%BCa%5E4-%282%2Ba%29%282-a%29%28a%26%23178%3B%2B4%29%2C%E5%85%B6%E4%B8%ADa%3D-2%EF%BC%9B%28a%2Bb%29%28a-b%29%2B%28a%2Bb%29%26%23178%3B-a%28b%2B2a%29%2C%E5%85%B6%E4%B8%ADa%3D-3%2F13%2Cb%3D3%26%23188)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 04:55:42