#HLWRC高数#我编造不定积分∫x³arctanxarccotxdx加分部积分法求解∫x²arcsinxarccosxdx数学折磨人。湖南桃江方言会消失...
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#HLWRC高数#我编造不定积分∫x³arctanxarccotxdx加分部积分法求解∫x²arcsinxarccosxdx数学折磨人。湖南桃江方言会消失...
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