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