14.529+(2.471-2.1)的简便运算

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14.529+(2.471-2.1)的简便运算
14.529+(2.471-2.1)的简便运算

14.529+(2.471-2.1)的简便运算
14.529+(2.471-2.1)=14.529+2.471-2.1=17-2.1=14.9

14.529+(2.471-2.1)
=14.529+2.471-2.1
=17-2.1
=14.9

(14.529+2.471)-2.1=17-2.1 =14.9

14.529+(2.471-2.1)
=14.529+2.471-2.1
=17-2.1
=14.9