自然數(shù)中除了質(zhì)數(shù)就是合數(shù)對(duì)嗎為什么、質(zhì)數(shù)合數(shù)是自然數(shù)嗎、質(zhì)數(shù)和自然數(shù)一樣嗎、自然數(shù)分為質(zhì)數(shù)和合數(shù)、自然數(shù)包括質(zhì)數(shù)和合數(shù)嗎、質(zhì)數(shù)和合數(shù)是自然數(shù)嗎、質(zhì)數(shù)和合數(shù)都是自然數(shù)嗎、自然數(shù)中除了質(zhì)數(shù)就是合數(shù)、自然數(shù)中不是奇數(shù)就是偶數(shù)不是質(zhì)數(shù)就是合數(shù)、質(zhì)數(shù)合數(shù)自然數(shù)、自然數(shù)質(zhì)數(shù)合數(shù)、自然數(shù)中最小的質(zhì)數(shù)是、質(zhì)數(shù)一定是自然數(shù)嗎、自然數(shù)中最小的質(zhì)數(shù)是幾、自然數(shù)質(zhì)數(shù)合數(shù)的關(guān)系圖、質(zhì)數(shù)和自然數(shù)一樣多嗎、質(zhì)數(shù)和合數(shù)組成自然數(shù)對(duì)嗎、按因數(shù)的個(gè)數(shù)分自然數(shù)可分為質(zhì)數(shù)和合數(shù)兩類、自然數(shù)只包括質(zhì)數(shù)和合數(shù)嗎、自然數(shù)不是奇數(shù)就是偶數(shù),不是質(zhì)數(shù)就是合數(shù)、自然數(shù)不是質(zhì)數(shù)就是合數(shù)、自然數(shù)分為質(zhì)數(shù)和合數(shù)兩種、在自然數(shù)中,除0以外,不是質(zhì)數(shù)就是合數(shù)、自然數(shù)分為質(zhì)數(shù)和合數(shù)對(duì)嗎、自然數(shù)中的合數(shù)和質(zhì)數(shù)有哪些特點(diǎn)?、自然數(shù)中,除了質(zhì)數(shù)就是合數(shù)、自然數(shù) 因數(shù) 質(zhì)數(shù) 合數(shù)、質(zhì)數(shù)跟自然數(shù)一樣多嗎、自然數(shù)中不是質(zhì)數(shù)就是合數(shù)、自然數(shù)除0外不是質(zhì)數(shù)就是合數(shù)對(duì)不對(duì)、一個(gè)非零的自然數(shù)不是質(zhì)數(shù)就是合數(shù)對(duì)還是錯(cuò)、自然數(shù)中最小的質(zhì)數(shù)是多少、自然數(shù)除了質(zhì)數(shù)就是合數(shù)對(duì)嗎、自然數(shù)1是質(zhì)數(shù)還是合數(shù)、在大于1的自然數(shù)中除了質(zhì)數(shù)就是合數(shù)、自然數(shù)不是奇數(shù)就是偶數(shù)不是質(zhì)數(shù)就是合數(shù)、自然數(shù)可以分為質(zhì)數(shù)和合數(shù)嗎、自然數(shù)中除了質(zhì)數(shù)就是合數(shù)對(duì)嗎、在非0自然數(shù)中既不是質(zhì)數(shù)也不是合數(shù)的數(shù)是、自然數(shù)中連續(xù)的質(zhì)數(shù)、一個(gè)大于0的自然數(shù)不是質(zhì)數(shù)就是合數(shù)、在自然數(shù)中0除外不是質(zhì)數(shù)就是合數(shù)、一個(gè)自然數(shù)不是質(zhì)數(shù)就是合數(shù)是對(duì)的嗎、自然數(shù)中合數(shù)比質(zhì)數(shù)多對(duì)嗎、質(zhì)數(shù)是自然數(shù)嗎?、在自然數(shù)1—20中,質(zhì)數(shù)有( ),合數(shù)有( )、小于四十的自然數(shù)中質(zhì)數(shù)有、一個(gè)自然數(shù)不是質(zhì)數(shù)就是合數(shù)這道題對(duì)嗎、在非零自然數(shù)中既不是質(zhì)數(shù)也不是合數(shù)的是、既是質(zhì)數(shù)又是合數(shù)的自然數(shù)、在1～20的自然數(shù)中,是奇數(shù)但不是質(zhì)數(shù)的數(shù)有、