20以内加减法练习(一)
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18- 5 = 17-11 = 13+ 6 = 17- 5 = 16-10 = 5 - 4 = 9 - 4 = 16- 1 = 7 +10 = 9 - 0 = 18+ 1 = 6 +10 = 4 - 0 = 18-12 = 17-17 = 10+ 2 = 10-10 =0 +16 =13+ 4 =3 +12 =2 +14 =14- 3 =12- 0 =3 + 5 =11+ 1 =3 + 4 =12+ 5 =15- 3 =12+ 3 =2 + 6 =10+ 7 =9 - 9 =9 - 0 =2 + 2 =6 - 5 =0 + 0 =11-10 =11- 1 =11+ 0 =10+ 7 =17- 1 =1 +14 =14+ 1 =9 - 8 =17-12 =19- 5 =1 +12 =4 +12 =
15- 0 =13-12 =15-13 =0 +17 =11+ 4 =3 - 1 =13-10 =0 + 1 =16+ 2 =14+ 2 =10+ 8 =11+ 5 =1 +17 =7 - 3 =11+ 1 =11+ 2 =4 + 1 = 4 +12 = 14+ 1 = 7 - 2 = 10+ 4 = 13- 2 = 15+ 4 = 19-14 = 16- 4 = 4 +12 = 17-15 = 16+ 1 = 11+ 5 = 12+ 4 = 17-10 = 13+ 2 =
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