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