花儿这样红舞蹈分解教:一道计算题 急急急

来源:百度文库 编辑:高校问答 时间:2024/05/08 18:28:05
计算:-3(1/2m^3-1/3n^3+1/6)+2(1/3m^3-1/2n^3+1/4)

-3(1/2m^3-1/3n^3+1/6)+2(1/3m^3-1/2n^3+1/4)
=-3/2m^3+n^3-1/2+2/3m^3-n^3+1/2
=-3/2m^3+2/3m^3
=-9/6m^3+4/6m^3
=-5/6m^3

-5/6m^3