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把下列各数填在相应的横线上. ,-,,0.5,2π,3.14159265,-|-|,1.3030030003…(每相邻两个3之间依次多一个0). (1)有理数:____________________...
题目内容:
把下列各数填在相应的横线上.
,-,,0.5,2π,3.14159265,-|-|,1.3030030003…(每相邻两个3之间依次多一个0).
(1)有理数:______________________________________________________;
(2)无理数:_________________________________________________________;
(3)正实数:__________________________________________________________;
(4)负实数:__________________________________________________________.
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