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