(-2/3)-1/12-(-1/4)等于多少
问题描述：
(-2/3)-1/12-(-1/4)等于多少
答
11/144 2/3×1/12+1/4×1/12=（2/3+1/4）×1/12=（8/12+3/12）×1/12=11/12×1/12=11/144 ,
答
(-1/2)
答
(-2/3)-1/12-(-1/4)
=-8/12-1/12+3/12
=-6/12
=-1/2
答
-1/2