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