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1、 20以内加减进阶题 100道 用时: 错误: 2 ( )= 13 18 ( )= 6 ( ) 4 = 15 ( ) 4 = 3 ( ) 7 = 10 10 ( )= 8 ( ) 1 = 16 ( ) 3 = 6 1 ( )= 13 ( ) 3 = 16 8 ( )= 4 ( ) 3 = 14 ( ) 1 = 8 15 ( )= 5 6 ( )= 15 18 ( )= 18 12 ( )= 9 ( ) 17 = 1 6 ( )= 3 ( ) 6 = 7 ( ) 6 = 12 11 ( )= 11 ( ) 0 = 1 14 ( )= 4 ( ) 2 = 18 ( ) 0 = 8 ( ) 7 =
2、19 15 ( )= 3 ( ) 4 = 7 ( ) 6 = 12 ( ) 14 = 0 18 ( )= 14 ( ) 3 = 6 ( ) 3 = 5 ( ) 2 = 15 12 ( )= 1 ( ) 15 = 17 13 ( )= 3 5 ( )= 18 ( ) 10 = 6 8 ( )= 13 1 ( )= 12 9 ( )= 4 ( ) 10 = 20 15 ( )= 13 ( ) 2 = 7 14 ( )= 9 ( ) 2 = 11 ( ) 16 = 17 ( ) 6 = 10 ( ) 1 = 5 ( ) 1 = 14 ( ) 8 = 2 15 ( )= 8 11 ( )= 14 (
3、) 0 = 10 11 ( )= 16 ( ) 8 = 1 ( ) 0 = 11 4 ( )= 19 ( ) 3 = 9 3 ( )= 6 ( ) 2 = 13 ( ) 2 = 4 9 ( )= 2 16 ( )= 14 ( ) 7 = 10 2 ( )= 8 18 ( )= 16 ( ) 5 = 18 19 ( )= 17 ( ) 11 = 14 16 ( )= 17 13 ( )= 15 18 ( )= 17 9 ( )= 1 6 ( )= 0 ( ) 8 = 0 2 ( )= 20 6 ( )= 19 4 ( )= 3 ( ) 6 = 13 ( ) 3 = 8 ( ) 2 = 8 ( ) 3 = 12 2 ( )= 15 ( ) 0 = 0 12 ( )= 0 14 ( )= 7 11 ( )= 6 ( ) 4 = 12 ( ) 8 = 18 14 ( )= 11 ( ) 0 = 13 ( ) 14 = 5 ( ) 6 = 11 9 ( )= 10 12 ( )= 2 ( ) 11 = 15 ( ) 6 = 8