Contact us
Choose a category below so we can get back to you as quickly as possible.
就是在所有比1大的整數中,除了1和它本身以外,不再有別的約數,這種整數叫做質數例如1.3.5.7.11這類不能只能分成本身和1的書例如9可以分為3X3所以9不是質數合數是指①兩個數之間的最大公約數只是1的那兩個數的乘…
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.