Contact us
Choose a category below so we can get back to you as quickly as possible.
n²;=m²;+168n²;-m²;=168(n-m)(n+m)=168=2×2×2×3×7所以n-m=2,n+m=84 n=43,m=41n-m=3,n+m=56無整數解n-m=4,n+m=42 n=23,m=19n-m=8,n+m=21無整數解n-m…
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.