求值：\({2}^{{\mathrm{log}}_{2}\frac {1} {4}}-(\frac {2} {3}{)}^{-2}+\lg -可可试卷app

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求值：\({2}^{{\mathrm{log}}_{2}\frac {1} {4}}-(\frac {2} {3}{)}^{-2}+\lg {\frac {1} {100}}+(\sqrt {2}{)}^{\mathrm{ln}1}=\)___ 。

参考答案：\(-3\)