单项式乘以多项式-2a(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(x-3y)(-6x)-2a²(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(
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![单项式乘以多项式-2a(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(x-3y)(-6x)-2a²(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(](/uploads/image/z/1258600-40-0.jpg?t=%E5%8D%95%E9%A1%B9%E5%BC%8F%E4%B9%98%E4%BB%A5%E5%A4%9A%E9%A1%B9%E5%BC%8F-2a%281%2F2ab%2Bb%26sup2%3B%EF%BC%89-5a%28a%26sup2%3Bb-ab%26sup2%3B%EF%BC%89%EF%BC%88%E8%BF%99%E4%B8%AA%E9%A2%98%E7%9B%AE%E4%B9%A6%E6%9C%AC%E8%A6%81%E6%B1%82%E5%8C%96%E7%AE%80+%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E5%8C%96%E7%AE%80%E5%95%8A%EF%BC%89%EF%BC%88x-3y%29%28-6x%29-2a%26sup2%3B%281%2F2ab%2Bb%26sup2%3B%EF%BC%89-5a%28a%26sup2%3Bb-ab%26sup2%3B%EF%BC%89%EF%BC%88%E8%BF%99%E4%B8%AA%E9%A2%98%E7%9B%AE%E4%B9%A6%E6%9C%AC%E8%A6%81%E6%B1%82%E5%8C%96%E7%AE%80+%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E5%8C%96%E7%AE%80%E5%95%8A%EF%BC%89%EF%BC%88)
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单项式乘以多项式-2a(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(x-3y)(-6x)-2a²(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(
单项式乘以多项式
-2a(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)
(x-3y)(-6x)
-2a²(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)
(x-3y)(-6x)
单项式乘以多项式-2a(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(x-3y)(-6x)-2a²(1/2ab+b²)-5a(a²b-ab²)(这个题目书本要求化简 应该怎么化简啊)(
-2a²(1/2ab+b²)-5a(a²b-ab²)
适用乘法分配律
=-2a²×1/2ab-2a×b²-5a×a²b+5a×ab²
=-a³b-2a²b²-5a³b+5a²b²
=-6a³b+3a²b²
(x-3y)(-6x)
=x(-6x)-3y(-6x)
=-6x²+18xy