五十以内加减进阶口算题100道 (78)

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1、 50以内加减进阶题 100道 用时: 错误: 26 ( )= 32 ( ) 33 = 40 ( ) 15 = 25 41 ( )= 38 ( ) 13 = 24 40 ( )= 40 24 ( )= 9 31 ( )= 14 36 ( )= 16 ( ) 42 = 50 ( ) 16 = 22 24 ( )= 19 ( ) 43 = 46 ( ) 12 = 19 30 ( )= 28 ( ) 27 = 29 ( ) 29 = 13 27 ( )= 4 48 ( )= 22 ( ) 2 = 17 ( ) 5 = 43 1 ( )= 37 ( ) 36 = 6 41 ( )= 31 ( ) 5

2、= 23 ( ) 14 = 37 21 ( )= 38 ( ) 28 = 15 ( ) 3 = 6 ( ) 13 = 40 ( ) 20 = 30 ( ) 6 = 30 ( ) 1 = 15 43 ( )= 4 27 ( )= 31 14 ( )= 34 39 ( )= 48 ( ) 2 = 13 ( ) 48 = 0 ( ) 1 = 34 ( ) 23 = 30 14 ( )= 29 12 ( )= 44 ( ) 20 = 21 ( ) 11 = 29 19 ( )= 47 ( ) 16 = 32 ( ) 22 = 34 ( ) 14 = 15 ( ) 25 = 0 4 ( )= 16 24

3、 ( )= 13 ( ) 12 = 47 17 ( )= 17 ( ) 9 = 8 28 ( )= 38 ( ) 33 = 46 ( ) 12 = 43 12 ( )= 12 ( ) 16 = 24 1 ( )= 18 32 ( )= 37 ( ) 13 = 14 48 ( )= 43 3 ( )= 12 ( ) 27 = 49 48 ( )= 33 28 ( )= 33 ( ) 21 = 27 ( ) 24 = 6 ( ) 46 = 47 48 ( )= 38 ( ) 24 = 43 ( ) 14 = 21 ( ) 17 = 26 8 ( )= 49 11 ( )= 24 37 ( )= 7 ( ) 35 = 11 ( ) 19 = 0 16 ( )= 28 45 ( )= 48 ( ) 19 = 4 20 ( )= 8 15 ( )= 22 ( ) 18 = 9 42 ( )= 35 46 ( )= 6 38 ( )= 2 0 ( )= 34 ( ) 24 = 15 ( ) 13 = 46 ( ) 30 = 16 ( ) 5 = 24 0 ( )= 27 ( ) 8 = 15 32 ( )= 27 ( ) 15 = 29 8 ( )= 9 1 ( )= 23

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