2位数加减法计算题 100道 用时： 错误：

53 － 42 = 22 ＋ 71 = 86 － 62 = 25 ＋ 11 =

66 ＋ 31 = 67 － 50 = 73 － 10 = 84 － 41 =

26 － 20 = 78 － 64 = 21 ＋ 71 = 10 ＋ 46 =

66 － 31 = 76 － 31 = 66 － 43 = 33 ＋ 12 =

14 ＋ 85 = 36 － 32 = 44 － 43 = 52 － 41 =

53 ＋ 43 = 52 ＋ 37 = 20 ＋ 40 = 15 － 11 =

73 ＋ 23 = 55 － 12 = 41 － 10 = 21 ＋ 52 =

87 － 81 = 87 － 13 = 57 － 14 = 18 － 15 =

51 ＋ 35 = 25 ＋ 14 = 15 ＋ 11 = 47 ＋ 51 =

11 ＋ 55 = 84 － 12 = 78 － 47 = 20 ＋ 17 =

66 － 14 = 20 ＋ 21 = 13 ＋ 41 = 68 ＋ 20 =

13 ＋ 54 = 12 ＋ 23 = 48 ＋ 50 = 53 － 40 =

14 ＋ 60 = 74 － 12 = 76 － 14 = 88 － 46 =

41 ＋ 16 = 20 ＋ 46 = 77 － 32 = 43 － 21 =

76 － 11 = 83 ＋ 10 = 77 － 25 = 71 － 50 =

44 ＋ 24 = 82 ＋ 10 = 68 － 13 = 34 － 23 =

27 － 13 = 34 ＋ 60 = 14 ＋ 25 = 27 ＋ 31 =

53 ＋ 40 = 45 ＋ 42 = 85 － 31 = 20 ＋ 33 =

36 － 25 = 77 － 30 = 45 － 42 = 22 ＋ 35 =

30 ＋ 33 = 44 － 23 = 24 ＋ 72 = 34 ＋ 24 =

37 － 31 = 31 ＋ 65 = 44 － 11 = 31 ＋ 52 =

77 ＋ 20 = 44 ＋ 23 = 15 ＋ 43 = 36 ＋ 13 =

68 － 16 = 32 ＋ 67 = 44 ＋ 11 = 46 ＋ 51 =

55 － 42 = 26 ＋ 13 = 86 － 24 = 16 ＋ 62 =

81 ＋ 17 = 52 － 21 = 84 ＋ 12 = 26 － 25 =