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Let 2A + 1, a, 2a-1 be the three sides of an obtuse triangle, then the value range of a is?
Give me an exact answer
It's a high school problem It's not just three sides
Let 2A + 1, a, 2a-1 be the three sides of an obtuse triangle, then the value range of a is?
Give me an exact answer
It's a high school problem It's not just three sides
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