(6m^4n^2-9m^3n+3m^2)÷(-3m^2)等于多少?

2025-06-26 12:52:40
推荐回答(1个)
回答1:

(6m^4n^2-9m^3n+3m^2)÷(-3m^2)= -2m^2n^2+mn-1