650400/250 52.47-8.64+16.36-7.35 74000/125*8 以上是递等式计算,能巧则巧
问题描述：
650400/250 52.47-8.64+16.36-7.35 74000/125*8 以上是递等式计算,能巧则巧
答
650400/250= 650.4 x 1000 / 250=650.4 x4= 2601.652.47-8.64+16.36-7.3552.47+16.36 - (8.64+7.35)= 68.83-15.99= 68.83-16+0.01=52.8474000/125*8= 74000/ 1000=74