A
arsenalinh


Rút gọn biểu thức sau:
[TEX]A = (3 + 1)(3^2 + 1)(3^4 + 1)(3^8 + 1)(3^{18} + 1)(3^{32} + 1)[/TEX]
[TEX]A = (3 + 1)(3^2 + 1)(3^4 + 1)(3^8 + 1)(3^{18} + 1)(3^{32} + 1)[/TEX]
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