计算:M/(5分之M+3分之M) (A分之3-2A分之1)*4A
问题描述:
计算:M/(5分之M+3分之M) (A分之3-2A分之1)*4A
答
m/(m/5+m/3)*(a/3-1/2a)*4a=1/1/5+1/3)*(1/3-1/2)*4=15/8*(-1/6)*4=-5/4
计算:M/(5分之M+3分之M) (A分之3-2A分之1)*4A
m/(m/5+m/3)*(a/3-1/2a)*4a=1/1/5+1/3)*(1/3-1/2)*4=15/8*(-1/6)*4=-5/4