-1/3-15.5+(-2/3)等于多少,
问题描述:
-1/3-15.5+(-2/3)等于多少,
答
-1/3-15.5+(-2/3)=-1/3-15.5-2/3=-(1/3+2/3)-15.5=-16.5
-1/3-15.5+(-2/3)等于多少,
-1/3-15.5+(-2/3)=-1/3-15.5-2/3=-(1/3+2/3)-15.5=-16.5