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