B
buipin23


1.[TEX]I=\int\limits_{-2}^{2}|x^2-1|dx[/TEX]
2.[TEX]I=\int\limits_{-3}^{5}(|x+2|-|x-2|)dx[/TEX]
3.[TEX]I=\int\limits_{0}^{4}(3x-e^{\frac{\pi}{4}})dx[/TEX]
4.[TEX]I=\int\limits_{0}^{2\pi}\sqrt{1+sinx}dx[/TEX]
2.[TEX]I=\int\limits_{-3}^{5}(|x+2|-|x-2|)dx[/TEX]
3.[TEX]I=\int\limits_{0}^{4}(3x-e^{\frac{\pi}{4}})dx[/TEX]
4.[TEX]I=\int\limits_{0}^{2\pi}\sqrt{1+sinx}dx[/TEX]
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