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Mathematics, 17.11.2021 05:10 janahiac09

Bài 2. Rút gọn các biểu thức sau:
a. (a^+a-1)(a^2-a+1)

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Bài 2. Rút gọn các biểu thức sau:
a. (a^+a-1)(a^2-a+1)...
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