A. Thanks.
B. Sure. I'll hang them up in a minute.
C. Sure. I'll take it out.
小华做了四道二次根式的题目:(1)2+3=5,(2)2+2=22,(3)18-82=1,(4)32-2=3,如果你是他的数学老师,请找出他做错的题是( )
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