Mathematical units, from small to large, one, ten, hundred, thousand, ten thousand, one hundred million, trillion, Beijing, Hong, Hong, Gou, Jian, Zheng, Zai, Ji, Ganges River sand, a monk _, and it is incredible and infinite. Decimal system is below 10,000, and decimal system is after 10,000, that is, 10 million is 100 million, trillion is 1 trillion, and 10,000 Beijing is a shame. China's numerical units are all large numbers, one, ten, hundred, thousand, ten thousand, one hundred million, trillion, Beijing, Lai, Mo, _, Gou, Jian, Zheng, Zai, Ji, Ganges River sand, a monk, it is inconceivable and infinite. Decimal, minute, centimeter, hair, storm, sudden, slight, fiber, sand, dust, Egyptian, mist, desert, blur, wandering, instant, flick, instant, Liu De, vanity, purity, araya, amoros, Nirvana silence. In the principle of unit system, below 10000 is a decimal, and above 10000 is a decimal, that is, 65.438+0 billion = 65.438+0 billion, 65.438+0 billion = 65.438+0 billion, for example, 100.