定义一种新运算,观察下列式:1⊙3=1×4+3=7 3⊙-1=3×4-1=115⊙4=5×4+4=24 4⊙-3=4×4-3=131、请你想一想,a⊙b=?若a≠b,那么 a⊙b( )b⊙a (填入=或≠)2、若a⊙(-2b)=4 请计算(a-b)⊙(2a+b)的值
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![定义一种新运算,观察下列式:1⊙3=1×4+3=7 3⊙-1=3×4-1=115⊙4=5×4+4=24 4⊙-3=4×4-3=131、请你想一想,a⊙b=?若a≠b,那么 a⊙b( )b⊙a (填入=或≠)2、若a⊙(-2b)=4 请计算(a-b)⊙(2a+b)的值](/uploads/image/z/659270-38-0.jpg?t=%E5%AE%9A%E4%B9%89%E4%B8%80%E7%A7%8D%E6%96%B0%E8%BF%90%E7%AE%97%2C%E8%A7%82%E5%AF%9F%E4%B8%8B%E5%88%97%E5%BC%8F%3A1%E2%8A%993%3D1%C3%974%2B3%3D7+3%E2%8A%99-1%3D3%C3%974-1%3D115%E2%8A%994%3D5%C3%974%2B4%3D24+4%E2%8A%99-3%3D4%C3%974-3%3D131%E3%80%81%E8%AF%B7%E4%BD%A0%E6%83%B3%E4%B8%80%E6%83%B3%2Ca%E2%8A%99b%3D%3F%E8%8B%A5a%E2%89%A0b%2C%E9%82%A3%E4%B9%88+a%E2%8A%99b%28+%29b%E2%8A%99a+%28%E5%A1%AB%E5%85%A5%3D%E6%88%96%E2%89%A0%292%E3%80%81%E8%8B%A5a%E2%8A%99%28-2b%29%3D4+%E8%AF%B7%E8%AE%A1%E7%AE%97%28a-b%29%E2%8A%99%EF%BC%882a%2Bb%29%E7%9A%84%E5%80%BC)
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