The following is what seems to be a mathematical proof that

The following is what seems to be a mathematical proof that two equals one.What's wrong with it?
a = b aa = ab aa -bb = ab - bb (a + b)(a - b) = b(a - b) a + b = b a + a = a 2a = a 2 = 1
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du639 幼苗

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a = b aa = ab (here, you must prove a isn't equal to 0,so the rest of them don't make sense any more) aa -bb = ab - bb (a + b)(a - b) = b(a - b) a + b = b a + a = a 2a = a 2 = 1
get it?
hopefully it helps you~

1年前

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