简便运算: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:2024/05/10 20:14:57

简便运算:17/25×5/37+8/25×17/37+17/37×2/25
简便运算:17/25×5/37+8/25×17/37+17/37×2/25

简便运算: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