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我校生物兴趣小组的学生,将自己收集的标本向本组其他成员各赠送一件,全组互赠182...
我校生物兴趣小组的学生,将自己收集的标本向本组其他成员各赠送一件,全组互赠182件,如果全组有x名同学,则根据题意列出的方程是( )
A.x(x+1)=182
B.x(x-1)=182
C.2x(x+1)=182
D.x(x-1)=182×2
考点分析:
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