数字与算术词汇表

hexadecimal binary decimal system negative positive ratio denominator numerator fraction decimal point decimal integer natural number number digit imaginary number real number irrational number rational number reciprocal geometric mean mean lesser greater equivalent be equal to equal quotient divisor dividend divided by divided product multiplicator faciend multiplicand multiplication times remainder subtrahend minuend subtraction subtract sum addend summand augend addition add division multiply minus plus zeroth billionth millionth thousandth hundredth ninetieth eightieth seventieth sixtieth fiftieth fortieth thirty-third thirtieth twenty-third twenty-second twenty-first twentieth nineteenth eighteenth seventeenth sixteenth fifteenth fourteenth thirteenth twelfth eleventh tenth ninth eighth seventh sixth fifth fourth third second first nil nought null zero billion million one thousand thousand hundred one hundred ninety eighty seventy sixty fifty forty thirty twenty-two twenty-one twenty nineteen eighteen seventeen sixteen fifteen fourteen thirteen twelve eleven ten nine eight seven six five four three two one