Toán Lớp 8: chọn câu sai
A) (x + 1)^3 = (1 + x)^3
B) (2x – 1)^2 = (1 – 2x)^2.
C) (x – 3)^2 = x^2 – 6x + 9
D) x^2 – 1 = 1 – x^2.
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Toán Lớp 8: chọn câu sai
A) (x + 1)^3 = (1 + x)^3
B) (2x – 1)^2 = (1 – 2x)^2.
C) (x – 3)^2 = x^2 – 6x + 9
D) x^2 – 1 = 1 – x^2.
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