Contact us
Choose a category below so we can get back to you as quickly as possible.
因為90÷15=6,6分解成兩個互質的數有兩種情況即2和3,1和6.所以這兩個數有幾種情況:15×1=15、15×6=902×15=30、3×15=45答:這兩個數是15和90或30和45.故選:A.
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.