先化简,再求值:a³×(-b³)²+(-二分之一ab²)³,其中a=2,b=-1
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 20:32:52
![先化简,再求值:a³×(-b³)²+(-二分之一ab²)³,其中a=2,b=-1](/uploads/image/z/1170842-50-2.jpg?t=%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%86%8D%E6%B1%82%E5%80%BC%3Aa%26%23179%3B%C3%97%28-b%26%23179%3B%29%26%23178%3B%2B%28-%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80ab%26%23178%3B%29%26%23179%3B%2C%E5%85%B6%E4%B8%ADa%3D2%2Cb%3D-1)
先化简,再求值:a³×(-b³)²+(-二分之一ab²)³,其中a=2,b=-1
先化简,再求值:a³×(-b³)²+(-二分之一ab²)³,其中a=2,b=-1
先化简,再求值:a³×(-b³)²+(-二分之一ab²)³,其中a=2,b=-1
a³×(-b³)²+(-ab²/2)³=a^3*b^6-a^3b^6/8=7a^3*b^6/8=7*2^3*(-1)^6/8=7