ս
---------

ʽơ𡹣ļ㲻ֻ⿿ɱ
ɵ𺦳̶֡

Եз𺦵ķ ...+1 
ݻٵо ...+50 
ݻٵоĻ ...+500  + 
ɱеĶ ... 
 (Ŀ֮ - ֮) x5 = 
 (Ϊּ)   
ɵ ...-1 
Լ ...-50 
ԼĻ ...-2000 
ɱ ...-500 

ע⣬ΨԼɵ𺦲Żᵼ¿۷֣
⵽ҵĹݻ٣ֻԸ
ӷ֣ԼķӰ졣
