13﹣7= 85﹣5= 9+90= 17﹣9=
73﹣3= 6+80= 78﹣8= 26﹣6=
5+40= 11﹣6+7= 19﹣9+3= 13﹣4+5=
14﹣7+8= 39﹣9+8= 15﹣8+2= 11﹣9+4=
13﹣7= 85﹣5= 9+90= 17﹣9=
73﹣3= 6+80= 78﹣8= 26﹣6=
5+40= 11﹣6+7= 19﹣9+3= 13﹣4+5=
14﹣7+8= 39﹣9+8= 15﹣8+2= 11﹣9+4=
试题篮
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