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1,2,3,4,5,6,7,8,2,3,4,5,6,7,8,5+4-1,2,3,4,5,6,7,8,6-3+2,3,4,5,6,7,8,3,4,5,6,7,8,5+3+2,4,5,6,7,8,4,5,6,7,8,7+3-10,5,6,7,8,5,6,7,8,10-9+1,6,7,8,6,7,8,0+9-3,7,8,7,8,4+3-7,8,8,4+4+1,口算,8-3+2= 7-3+3=,1+7-5= 10-4+1=,6+2-8= 8+1-7=,7,7,3,7,0,2,不计算，找出得数比8小的算式。,4+4=8 2+6=8 9-1=8 4+3 2+4 9-3 5+4 2+7 9-0,欢迎指导!,株洲市八达小学 孙莉,
