计算7Z)|-y6S/q9@0L/l1S
98766×98768－98765×987697Z)|-y6S/q9@0L/l1S
算式：提示-P7G:e(V,I3G9g5P7Z)|-y6S/q9@0L/l1S
=6q5j;?)H*a7Z)|-y6S/q9@0L/l1S