3(-2ab+3a)-(2a-b)+6ab 怎样算呢?具体步骤
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![3(-2ab+3a)-(2a-b)+6ab 怎样算呢?具体步骤](/uploads/image/z/10257836-68-6.jpg?t=3%28-2ab%2B3a%29-%282a-b%29%2B6ab+%E6%80%8E%E6%A0%B7%E7%AE%97%E5%91%A2%3F%E5%85%B7%E4%BD%93%E6%AD%A5%E9%AA%A4)
3(-2ab+3a)-(2a-b)+6ab 怎样算呢?具体步骤
3(-2ab+3a)-(2a-b)+6ab 怎样算呢?具体步骤
3(-2ab+3a)-(2a-b)+6ab 怎样算呢?具体步骤
3(-2ab+3a)-(2a-b)+6ab
=-6ab+9a-2a+b+6ab
=7a+b
3(-2ab+3a)-(2a-b)+6ab
=-6ab+9a-2a+b+6ab
=7a+b