1.(a^2b-ab)-(ab^2+ab)+2(ab^2+ba)2.2(a^2-2ab)-3(-2/3a^2-ab)
<p>问题：1.(a^2b-ab)-(ab^2+ab)+2(ab^2+ba)2.2(a^2-2ab)-3(-2/3a^2-ab)<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">谷力的回答：<div class="content-b">网友采纳 1.(a^2b-ab)-(ab^2+ab)+2(ab^2+ba) =a^2b-ab-ab^2-ab+2ab^2+2ab =a^2b+ab^2 2.2(a^2-2ab)-3(-2/3a^2-ab) =2a^2-4ab+2a^2+3ab =4a^2+ab
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