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题目
how many countries are there in the world?(please write it in english)

提问时间:2020-10-13

答案
there are 193 countries in the world.Asia have 48 countries:east asia:China,Mongolian,korea,north korea,Janpansoutheast asia:Philippines,vietnam,laos,Cambodia,Burma,Thailand ,Malaysia,Brunei ,Singapor...
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