使方程（ ）的未知数的值,叫做方程的解.怎么做
使方程（ ）的未知数的值,叫做方程的解.怎么做
数学人气：695 ℃时间：2019-11-18 09:27:21
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使方程（左右两边相等 ）的未知数的值,叫做方程的解.
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