Toán Lớp 8: Rút gọn biểu thức:
1/ (2x+1) ³ +(2x-1)³-16x ³-12x+9
2/ (2x+1) ³ -(2x-1) ³ -24x²
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Toán Lớp 8: Rút gọn biểu thức:
1/ (2x+1) ³ +(2x-1)³-16x ³-12x+9
2/ (2x+1) ³ -(2x-1) ³ -24x²
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