1 [ # ] - 2 = t , = dt 【解毕] dy ,于是* 2-2 = tyvų dx = de , 55 ( 2-2 ) d 2 ... 1 = 1,09 scu - lamy F ( x ) = f ( x ) + F ( t ) -S 1 , dy + s 7 y dy = Sí ...
確定! 回上一頁