计算（3-112.5%+1/7）x8/13除以1/56
问题描述：
计算（3-112.5%+1/7）x8/13除以1/56
答
=(3-1-0.125+1/7)×8/13×56
=(3-1-1/8+1/7)×8/13×56
=(2+1/56)×8/13×56
=2×8/13×56+1/56×56
=2×8/13×56+1
。。。。。
答
原式=(3-1.125+1/7)×8/13×56
=（24-9+8/7）×1/13×56
=113/7×56/13
=904/13