计算：:c5Y8R1x/`1U9[-O/d9q.c
1000001×999999:c5Y8R1x/`1U9[-O/d9q.c
算式：提示.t)w-h)F)M(C9H:c5Y8R1x/`1U9[-O/d9q.c
=(B-K)v1O/u:I:c5Y8R1x/`1U9[-O/d9q.c