
把下列各数分别填入下面横线里:5,-12,-0.3,0.21,-3.14,28,...
把下列各数分别填入下面横线里:5,-12,-0.3,0.21,-3.14,28,-100,113,-78,0,-8,102.正整数集合:{_____…}...
把下列各数分别填入下面横线里: 5,-12,-0.3,0.21,-3.14,28,-100,113,-78,0,-8,102. 正整数集合:{_____…} 负分数集合:{_____12,-0.3,-3.14,-78, …} 正有理数集合:{_____13,102, …} 负整数集合:{_____…} 有理数集合:{_____12,-0.3,0.21,-3.14,28,-100,113,-78,0,-8,102, …}.
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5,28,102 -5,0.21,28,1-100,-8 5,-
解:根据题意得:
正整数集合:{5,28,102,…};
负分数集合:{-12,-0.3,-3.14,-78,…};
正有理数集合:{5,0.21,28,113,102,…};
负整数集合:{-100,-8,…};
有理数集合:{5,-12,-0.3,0.21,-3.14,28,-100,113,-78,0,-8,102,…}.
故答案为:5,28,102;-12,-0.3,-3.14,-78;5,0.21,28,113,102;-100,-8;5,-12,-0.3,0.21,-3.14,28,-100,113,-78,0,-8,102.
解:根据题意得:
正整数集合:{5,28,102,…};
负分数集合:{-12,-0.3,-3.14,-78,…};
正有理数集合:{5,0.21,28,113,102,…};
负整数集合:{-100,-8,…};
有理数集合:{5,-12,-0.3,0.21,-3.14,28,-100,113,-78,0,-8,102,…}.
故答案为:5,28,102;-12,-0.3,-3.14,-78;5,0.21,28,113,102;-100,-8;5,-12,-0.3,0.21,-3.14,28,-100,113,-78,0,-8,102.
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