五十以内加减进阶计算题100道 (52)

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1、 50以内加减进阶题 100道 用时: 错误: ( ) 35 = 42 ( ) 15 = 47 ( ) 28 = 20 40 ( )= 42 42 ( )= 46 23 ( )= 15 ( ) 22 = 19 ( ) 13 = 27 ( ) 31 = 11 ( ) 0 = 13 25 ( )= 19 36 ( )= 24 ( ) 1 = 15 ( ) 27 = 45 46 ( )= 49 24 ( )= 0 24 ( )= 43 ( ) 0 = 18 29 ( )= 23 20 ( )= 29 48 ( )= 20 ( ) 22 = 15 ( ) 47 = 2 12 ( )= 46 ( ) 2

2、3 = 25 24 ( )= 38 ( ) 3 = 16 40 ( )= 16 33 ( )= 38 ( ) 23 = 37 ( ) 45 = 47 ( ) 3 = 9 16 ( )= 45 ( ) 5 = 37 ( ) 8 = 10 16 ( )= 23 ( ) 11 = 6 35 ( )= 10 ( ) 18 = 46 ( ) 4 = 42 20 ( )= 40 25 ( )= 34 ( ) 20 = 36 41 ( )= 41 ( ) 48 = 49 37 ( )= 5 ( ) 32 = 50 ( ) 22 = 24 16 ( )= 3 ( ) 4 = 38 43 ( )= 2 ( )

3、23 = 32 ( ) 3 = 38 ( ) 10 = 25 13 ( )= 13 27 ( )= 1 ( ) 1 = 20 ( ) 12 = 0 ( ) 3 = 43 19 ( )= 5 ( ) 9 = 47 35 ( )= 22 41 ( )= 30 ( ) 12 = 9 ( ) 1 = 37 8 ( )= 12 12 ( )= 25 ( ) 16 = 13 20 ( )= 45 2 ( )= 38 ( ) 2 = 18 43 ( )= 7 ( ) 5 = 8 8 ( )= 4 ( ) 27 = 30 34 ( )= 18 ( ) 35 = 1 28 ( )= 10 ( ) 29 = 34 ( ) 26 = 4 ( ) 10 = 24 9 ( )= 10 21 ( )= 40 ( ) 11 = 36 ( ) 13 = 45 ( ) 40 = 42 ( ) 0 = 48 ( ) 23 = 21 3 ( )= 12 ( ) 15 = 30 ( ) 15 = 34 ( ) 18 = 44 ( ) 21 = 20 44 ( )= 34 ( ) 18 = 14 ( ) 7 = 21 9 ( )= 23 ( ) 14 = 33 ( ) 47 = 47 29 ( )= 18

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