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5以内的分解与组成 背诵方法,5,0,5,5 0 =5,5,0,5,0 + 5 =5,5,0,4,1,5,5 1 =4,5,0,4,1,5,1 + 4 =5,5,0,4,1,3,2,5,5 2 =3,5,0,4,1,3,2,5,2 + 3 =5,5,0,4,1,3,2,2,3,5,5 3 =2,5,0,4,1,3,2,2,3,5,3 + 2 =5,5,0,4,1,3,2,2,3,1,4,5,5 4 =1,5,0,4,1,3,2,2,3,1,4,5,4 + 1 =5,5,0,4,1,3,2,2,3,1,4,0,5,5,5 5 =0,5,0,4,1,3,2,2,3,1,4,0,5,5,5 + 0 =5,4,0,3,1,2,2,1,3,0,4,4,3,0,2,1,1,2,0,3,3,2,0,1,1,0,2,2,1,0,0,1,1,