你好：
100÷(0.56÷0.5)
=100÷0.56×0.5
=100×0.5÷0.56
=50÷0.56
=125/14100÷(0.56÷0.51)等于多少，刚刚发错了不好意思100÷(0.56÷0.51)=100÷0.56×0.51=100×0.51÷0.56=51÷0.56=5100/56=91又14分之1