-2/3+﹙-1/6﹚-﹙-1/4﹚-﹙+2/3﹚
=-(2/3+1/6-1/4+2/3)
=-(8/12+2/12-3/12+8/12)
=-(8+2-3+8)/12
=-15/12
=-5/4
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-2/3+﹙-1/6﹚-﹙-1/4﹚-﹙+2/3﹚
=-2/3-(+2/3)--1/6+1/4
=-4/3+1/12
=-5/4
-2/3+﹙-1/6﹚-﹙-1/4﹚-﹙+2/3﹚
=-2/3-1/6+1/4-2/3
=-4/3-1/6+1/4
=(-16-2+3)/12
=-15/12
=-5/4
=-8/12-2/12+3/12-8/12
=-15/12
=-5/4