natural number自然數(shù)
positive number正數(shù)
negative number負(fù)數(shù)
odd integer, odd number奇數(shù)
even integer拗慨, even number偶數(shù)
integer虽画, whole number整數(shù)
positive whole number正整數(shù)
negative whole number負(fù)整數(shù)
consecutive number連續(xù)整數(shù)
real number横蜒,rational number實(shí)數(shù)贯卦,有理數(shù)
irrational(number)無理數(shù)
inverse倒數(shù)
composite number合數(shù)e.g.4捂齐,6申屹,8绘证,9,10哗讥,12嚷那,14,15……
prime number質(zhì)數(shù)e.g.2杆煞,3魏宽,5腐泻,7,11队询,13派桩,15……
reciprocal倒數(shù)
common divisor公約數(shù)
multiple倍數(shù)
(least)common multiple(最小)公倍數(shù)
(prime)factor(質(zhì))因子
common factor公因子
ordinary scale,decimal scale十進(jìn)制
nonnegative非負(fù)的
tens十位
units個(gè)位
mode眾數(shù)
median中數(shù)
common ratio公比