2位数加减法计算题 100道 用时： 错误： 43 ＋ 24 ＋ 31 = 16 ＋ － 48 = 63 － 51 ＋ 85 = 16 ＋ 44 ＋ 36 = ＋ 35 － 97 = 28 ＋ 15 ＋ 52 = 57 ＋ 24 ＋ 11 = 29 98 － 65 ＋ 66 = 11 75 ＋ 24 － 88 = 11 69 － 47 ＋ 18 = 18 29 ＋ 61 － 78 = 44 54 － 52 ＋ 56 = 96 10 ＋ 52 ＋ 37 = 50 17 ＋ 42 ＋ 21 = 10 24 ＋ 52 ＋ 17 = 36 57 － 24 ＋ 11 = 12 ＋ 10 ＋ 32 = 31 ＋ 31 ＋ 25 = 57 ＋ 11 ＋ 13 = 24 ＋ 51 ＋ 20 = 73 ＋ 13 ＋ 18 = 10 － 88 ＋ 92 = 17 ＋ 14 ＋ 15 = 44 ＋ 22 － 27 = 42 ＋ 14 ＋ 35 = 95 ＋ 20 ＋ 12 = 39 ＋ 53 ＋ 15 = ＋ 15 ＋ 13 = ＋ 43 ＋ 19 = － 71 ＋ 42 = ＋ 43 ＋ 39 = ＋ 32 ＋ 23 = － 13 ＋ 18 = ＋ 27 － 46 = － 19 ＋ 14 = ＋ 57 － 15 = 56 ＋ 36 － 25 = 62 － 57 ＋ 34 = 97 － 86 ＋ 77 = 51 ＋ 20 ＋ 16 = 10 ＋ 54 － 14 = 42 － 22 ＋ 68 = 20 ＋ 34 ＋ 28 = ＋ 30 － 29 = 18 ＋ 55 － 44 = 82 － 27 ＋ 23 = 27 13 ＋ 24 ＋ 32 = 22 26 ＋ 45 ＋ 24 = 66 14 ＋ 13 ＋ 19 = 18 58 － 20 ＋ 33 = 24 49 ＋ 32 － = 30 12 ＋ 72 － 35 = 75 12 ＋ 35 ＋ 46 = 30 27 ＋ 33 ＋ 11 = 45 83 － 44 ＋ 44 = 59 ＋ 33 － 11 = 85 － 21 ＋ 90 = 65 ＋ 14 － 52 = 80 ＋ 57 － 55 = 50 ＋ 67 － 51 = 35 ＋ 49 － 70 = 71 ＋ 24 － 72 = 21 － 19 ＋ 73 = 85 － 17 ＋ 38 = 71 － 26 ＋ 17 = － 61 ＋ 17 = ＋ 18 ＋ 16 = － 32 ＋ 26 = ＋ 50 － 61 = － 23 ＋ 85 = － 40 ＋ 25 = ＋ 23 ＋ 15 = － 79 ＋ 14 = － 61 ＋ 37 = － 59 ＋ 40 = 56 ＋ 18 － 25 = 21 ＋ 32 ＋ 13 = 65 ＋ 18 － 16 = 20 ＋ 43 ＋ 27 = 39 ＋ 16 ＋ 40 = 25 － 16 ＋ 60 = 33 ＋ 24 ＋ 41 = 19 ＋ － 39 = 53 ＋ 25 ＋ 19 = 46 ＋ 15 ＋ 23 = 27 10 ＋ 83 － 56 = 47 39 － 34 ＋ 37 = 68 22 ＋ 50 ＋ 10 = 26 26 ＋ 74 － 35 = 66 47 ＋ 24 ＋ 22 =
＋ 54 － 72 = 15 ＋ 33 ＋ 20 = 51 ＋ 23 － 74 = 39 ＋ 14 ＋ 45 = 33 － 57 ＋ 25 = 15 ＋ 31 ＋ 16 = － 48 ＋ 46 = － 25 ＋ 39 = ＋ 24 － 41 = ＋ 49 ＋ 13 =