四道数学计算题,求解,要详细步骤,谢谢。
(x^2-√2x+1/3)^2=?(1/5m-1/2n)(1/25m^2+1/10mn+1/4n^2)=?(a+2)(a-2)(a^4+4a^2+16)=?(x^2+2x...
(x^2-√2x+1/3)^2=?(1/5m-1/2n)(1/25m^2+1/10mn+1/4n^2)=?(a+2)(a-2)(a^4+4a^2+16)=?(x^2+2xy+y^2)(x^2-xy+y^2)^2=?
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