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在1995年新年来临之际,从作者来稿中挑选下列各题,以示庆贺。 1.在下式的○中填入适当的运算符合,使等式成立。
At the onset of the New Year in 1995, the following questions were selected from the author’s contribution to celebrate. 1. Fill in the appropriate arithmetic match in ○ below to make the equation true.