题目

The students in our school have o many clubs for themselves. 答案：【1】organized某中学准备建一个面积为的矩形游泳池，且游泳池的周长为80m．设游泳池的长为，则可列方程（ ）A． x(80－x)＝375B．x(80＋x)＝375C． x(40－x)＝375D．x(40＋x)＝375