﹙﹣4+2²﹚÷﹙167/173-278/279+15/4﹚+﹙﹣1﹚

问题描述:

﹙﹣4+2²﹚÷﹙167/173-278/279+15/4﹚+﹙﹣1﹚

﹙﹣4+2²﹚÷﹙167/173-278/279+15/4﹚+﹙﹣1﹚
=-1过程﹙﹣4+2²﹚÷﹙167/173-278/279+15/4﹚+﹙﹣1﹚=(-4+4)÷﹙167/173-278/279+15/4﹚+﹙﹣1﹚=0÷﹙167/173-278/279+15/4﹚+﹙﹣1﹚=0+(-1)=-1