687x655减321/666加987x654 怎们算
2个回答
(987x655-321)/(666+987x654)
=(987x654+987-321)/(666+987x654)
=(987x654+666)/(666+987x654)
=1
相关问题
666+987*654/987*655-321怎么简算
计算987乘655减321除以666加987乘654(简便计算)
1,(987×655-321)÷(666+987×654)
(987*655-321)/(666+987*654)*4.5/0.25
321+654+987+987+654+321+987+4561+23等于几
85/4+15/4 321*654/987/654*987/321 简便计算要过程.
123+321+456+654+789+987*123456789
[252525×252252/525252×525525×987×655−321666+987×654]=______.
987+876+765+654+543+432+321+210简便计算
神奇的198.算一算:横的看:321-123=______654-456=______987-789=______斜着看