计算: ()(a 3 ) ; (2)-(x 2 ) m ; (3)(-b 2 ) 5 ·(-b 3 ) 2 ; (4)(-x 3 ) 2 ·(-x 2 ) 3 ; (5)(x m ) 5 ·(x 5 ) m 。
计算: ()(a 3 ) ; (2)-(x 2 ) m ; (3)(-b 2 ) 5 ·(-b 3 ) 2 ; (4)(-x 3 ) 2 ·(-x 2 ) 3 ; (5)(x m ) 5 ·(x 5 ) m 。
发布时间:2025-12-25 00:51:46
计算: ()(a 3 ) ; (2)-(x 2 ) m ; (3)(-b 2 ) 5 ·(-b 3 ) 2 ; (4)(-x 3 ) 2 ·(-x 2 ) 3 ; (5)(x m ) 5 ·(x 5 ) m 。