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