Contact us
Choose a category below so we can get back to you as quickly as possible.
答: 兩個單項式2(a^5)(b^2m)與4(a^n)(b^6)的和仍是一個單項式 說明這兩個單項式是同類項 所以: n=5 2m=6 解得:m=3,n=5 所以:m^2-n^2=9-25=-16 所以:m^2-n^2=-16
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.