作业帮﹙4x³y²-2x⁴y²-½xy)(a+b)³÷[2﹙a+b)²·3（a+b）]12x的5次方y的6次方z的14次方÷﹙-2x³y³z的6次方）÷3x²yz﹙4x³y²-2x⁴y²-½xy)÷（-1/2xy）(a+b)³÷[2﹙a+b)
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/11 15:05:54
![﹙4x³y²-2x⁴y²-½xy)(a+b)³÷[2﹙a+b)²·3（a+b）]12x的5次方y的6次方z的14次方÷﹙-2x³y³z的6次方）÷3x²yz﹙4x³y²-2x⁴y²-½xy)÷（-1/2xy）(a+b)³÷[2﹙a+b)](/uploads/image/z/14309280-0-0.jpg?t=%EF%B9%994x%26%23179%3By%26%23178%3B-2x%26%238308%3By%26%23178%3B-%26%23189%3Bxy%29%28a%2Bb%29%26%23179%3B%C3%B7%5B2%EF%B9%99a%2Bb%29%26%23178%3B%C2%B73%EF%BC%88a%2Bb%EF%BC%89%5D12x%E7%9A%845%E6%AC%A1%E6%96%B9y%E7%9A%846%E6%AC%A1%E6%96%B9z%E7%9A%8414%E6%AC%A1%E6%96%B9%C3%B7%EF%B9%99-2x%26%23179%3By%26%23179%3Bz%E7%9A%846%E6%AC%A1%E6%96%B9%EF%BC%89%C3%B73x%26%23178%3Byz%EF%B9%994x%26%23179%3By%26%23178%3B-2x%26%238308%3By%26%23178%3B-%26%23189%3Bxy%29%C3%B7%EF%BC%88-1%2F2xy%EF%BC%89%28a%2Bb%29%26%23179%3B%C3%B7%5B2%EF%B9%99a%2Bb%29)
﹙4x³y²-2x⁴y²-½xy)(a+b)³÷[2﹙a+b)²·3（a+b）]12x的5次方y的6次方z的14次方÷﹙-2x³y³z的6次方）÷3x²yz﹙4x³y²-2x⁴y²-½xy)÷（-1/2xy）(a+b)³÷[2﹙a+b)
﹙4x³y²-2x⁴y²-½xy)
(a+b)³÷[2﹙a+b)²·3（a+b）]
12x的5次方y的6次方z的14次方÷﹙-2x³y³z的6次方）÷3x²yz
﹙4x³y²-2x⁴y²-½xy)÷（-1/2xy）
(a+b)³÷[2﹙a+b)²·3（a+b）] 只回答这两个就ok~
﹙4x³y²-2x⁴y²-½xy)(a+b)³÷[2﹙a+b)²·3（a+b）]12x的5次方y的6次方z的14次方÷﹙-2x³y³z的6次方）÷3x²yz﹙4x³y²-2x⁴y²-½xy)÷（-1/2xy）(a+b)³÷[2﹙a+b)
4x³y²-2x⁴y²-½xy)÷（-1/2xy）
1/2xy(8x²y-4x³y-1)÷（-1/2xy）
=-（8x²y-4x³y-1）
=8x²y-4x³y+1 (a+b)³÷[2﹙a+b)²·3（a+b）] =(a+b)³÷6[﹙a+b)³]=1/6