17/25*5/37+8/25*17/37+17/37*2/25
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/25 01:36:18
17/25*5/37+8/25*17/37+17/37*2/2517/25*5/37+8/25*17/37+17/37*2/2517/25*5/37+8/25*17/37+17/37*2/2517/2
17/25*5/37+8/25*17/37+17/37*2/25
17/25*5/37+8/25*17/37+17/37*2/25
17/25*5/37+8/25*17/37+17/37*2/25
17/25×5/37+8/25×17/37+17/37×2/25 =17/25×5/37+17/25×8/37+17/25×2/37 =17/25×（5/37+8/37+2/37） =17/25×15/37 =51/185