计算:①(a-b)²(a-b)³(b-a)的五次 ②(a-b+c)³(b-a-c)的五次(a-b+c)的六次③(b-a)的m次(b-a)的n-5次(a-b)的五次④(y-x)³(x-y)的n次+(x-y)的n+1次(y-x)²⑤x·x的m-1次+x²·x的m-2次-3·x³·x的m-3
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 12:03:06
![计算:①(a-b)²(a-b)³(b-a)的五次 ②(a-b+c)³(b-a-c)的五次(a-b+c)的六次③(b-a)的m次(b-a)的n-5次(a-b)的五次④(y-x)³(x-y)的n次+(x-y)的n+1次(y-x)²⑤x·x的m-1次+x²·x的m-2次-3·x³·x的m-3](/uploads/image/z/2737451-11-1.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%E2%91%A0%28a-b%29%26%23178%3B%28a-b%29%26%23179%3B%28b-a%29%E7%9A%84%E4%BA%94%E6%AC%A1+%E2%91%A1%28a-b%2Bc%29%26%23179%3B%28b-a-c%29%E7%9A%84%E4%BA%94%E6%AC%A1%28a-b%2Bc%29%E7%9A%84%E5%85%AD%E6%AC%A1%E2%91%A2%28b-a%29%E7%9A%84m%E6%AC%A1%28b-a%29%E7%9A%84n-5%E6%AC%A1%28a-b%29%E7%9A%84%E4%BA%94%E6%AC%A1%E2%91%A3%28y-x%29%26%23179%3B%28x-y%29%E7%9A%84n%E6%AC%A1%2B%28x-y%29%E7%9A%84n%2B1%E6%AC%A1%28y-x%29%26%23178%3B%E2%91%A4x%C2%B7x%E7%9A%84m-1%E6%AC%A1%2Bx%26%23178%3B%C2%B7x%E7%9A%84m-2%E6%AC%A1-3%C2%B7x%26%23179%3B%C2%B7x%E7%9A%84m-3)
计算:①(a-b)²(a-b)³(b-a)的五次 ②(a-b+c)³(b-a-c)的五次(a-b+c)的六次③(b-a)的m次(b-a)的n-5次(a-b)的五次④(y-x)³(x-y)的n次+(x-y)的n+1次(y-x)²⑤x·x的m-1次+x²·x的m-2次-3·x³·x的m-3
计算:①(a-b)²(a-b)³(b-a)的五次 ②(a-b+c)³(b-a-c)的五次(a-b+c)的六次
③(b-a)的m次(b-a)的n-5次(a-b)的五次
④(y-x)³(x-y)的n次+(x-y)的n+1次(y-x)²
⑤x·x的m-1次+x²·x的m-2次-3·x³·x的m-3次
计算:①(a-b)²(a-b)³(b-a)的五次 ②(a-b+c)³(b-a-c)的五次(a-b+c)的六次③(b-a)的m次(b-a)的n-5次(a-b)的五次④(y-x)³(x-y)的n次+(x-y)的n+1次(y-x)²⑤x·x的m-1次+x²·x的m-2次-3·x³·x的m-3
:①(a-b)²(a-b)³(b-a)的五次
=-(a-b)²(a-b)³(a-b)的五次
=-(a-b)的10次方
②(a-b+c)³(b-a-c)的五次(a-b+c)的六次
=-(a-b+c)³(a-b+c)的5次方(a-b+c)的6次方
=-(a-b+c)的14次方
③(b-a)的m次(b-a)的n-5次(a-b)的五次
=-(b-a)的m次方(b-a)的n-5次方(b-a)的5次方
=-(b-a)的(m+n)次方
④(y-x)³(x-y)的n次+(x-y)的n+1次(y-x)²
=-(x-y)³(x-y)的n次方+(x-y)的n+1次方(x-y)²
=-(x-y)的n+3次方+(x-y)的n+3次方
=0
⑤x·x的m-1次+x²·x的m-2次-3·x³·x的m-3次
=x的m次方+x的m次方+x的m次方
=3x的m次方