17/25*5/37+8/25*17/37+17/37*2/25
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 14:29:31
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
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来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 14:29:31
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