问题
填空题
20.047中的2在______位上,表示______个______;4在______位上,表示______个______;7在______位上,表示______个______.
答案
20.047中的2在十位上,表示2个十;4在百分位上,表示4个0.01;7在千分位上,表示7个0.001;
故答案为:十,2,十;百分,4,0.01;千分,7,0.001.
20.047中的2在______位上,表示______个______;4在______位上,表示______个______;7在______位上,表示______个______.
20.047中的2在十位上,表示2个十;4在百分位上,表示4个0.01;7在千分位上,表示7个0.001;
故答案为:十,2,十;百分,4,0.01;千分,7,0.001.