50以内计算题 100道 用时： 错误： 21 － 17 = 45 － 9 = 28 － 18 = 46 － 15 = 0 ＋ 9 = 49 － 15 = 19 ＋ 31 = 34 － 9 = 45 － 21 = 4 ＋ 8 = 20 － 12 = 42 － 20 = 1 ＋ 13 = 8 ＋ 8 = 42 － 9 = 9 － 1 = 24 － 18 = 12 － 7 = 13 － 6 = 11 ＋ 37 = 46 ＋ 3 = 35 － 2 = 20 － 7 = 21 ＋ 1 = 30 ＋ 9 = 29 ＋ 16 = 42 ＋ 2 = 4 ＋ 20 = 1 ＋ 1 = 5 － 1 = 9 － 0 = 29 ＋ 6 = 37 － 21 = 23 － 19 = 44 － 22 = 38 － 9 = 0 ＋ 19 = 33 ＋ 5 = 15 ＋ 30 = 45 － 27 = 24 － 24 = 38 － 3 = 26 ＋ 4 = 47 ＋ 2 = 32 ＋ 18 = 3 ＋ 15 = 25 ＋ 11 = 15 ＋ 32 = 45 － 26 = 46 － 20 = 7 ＋ 27 = 21 ＋ 11 = 13 － 12 = 1 ＋ 6 = 49 － 20 = 41 － 15 = 34 － 4 = 5 ＋ 7 = 12 ＋ 25 = 47 ＋ 1 = 17 － 0 = 4 ＋ 2 = 42 － 4 = 27 － 25 = 39 － 2 = 38 － 14 = 16 － 13 = 31 － 30 = 25 ＋ 16 = 21 ＋ 6 = 25 ＋ 5 = 18 ＋ 32 = 33 ＋ 10 = 20 － 18 = 4 ＋ 25 = 45 － 32 = 49 － 21 = 37 － 16 = 25 ＋ 10 = 8 ＋ 19 = 48 － 33 = 45 － 16 = 49 － 32 = 9 － 6 = 17 － 6 = 1 ＋ 46 = 41 － 16 = 30 ＋ 4 = 11 ＋ 31 = 48 － 28 = 8 ＋ 13 = 7 ＋ 32 = 28 － 23 = 33 ＋ 15 = 25 ＋ 0 = 17 ＋ 5 = 4 ＋ 13 = 41 － 27 = 33 ＋ 16 = 48 － 44 = 50以内计算题 100道 答案纸 21 － 17 = 4 45 － 9 = 36 28 － 18 = 10 46 － 15 = 31 0 ＋ 9 = 9 49 － 15 = 34 19 ＋ 31 = 50 34 － 9 = 25 45 － 21 = 24 4 ＋ 8 = 12 20 － 12 = 8 42 － 20 = 22 1 ＋ 13 = 14 8 ＋ 8 = 16 42 － 9 = 33 9 － 1 = 8 24 － 18 = 6 12 － 7 = 5 13 － 6 = 7 11 ＋ 37 = 48 46 ＋ 3 = 35 － 2 = 20 － 7 = 21 ＋ 1 = 30 ＋ 9 = 29 ＋ 16 = 42 ＋ 2 = 4 ＋ 20 = 1 ＋ 1 = 5 － 1 = 9 － 0 = 29 ＋ 6 = 37 － 21 = 23 － 19 = 44 － 22 = 38 － 9 = 49 0 ＋ 19 = 33 33 ＋ 5 = 13 15 ＋ 30 = 22 45 － 27 = 39 24 － 24 = 45 38 － 3 = 44 26 ＋ 4 = 24 47 ＋ 2 = 2 32 ＋ 18 = 4 3 ＋ 15 = 9 25 ＋ 11 = 35 15 ＋ 32 = 16 45 － 26 = 4 46 － 20 = 22 7 ＋ 27 = 29 21 ＋ 11 = 19 13 － 12 = 38 1 ＋ 6 = 45 49 － 20 = 18 41 － 15 = 0 34 － 4 = 35 5 ＋ 7 = 30 12 ＋ 25 = 49 47 ＋ 1 = 50 17 － 0 = 18 4 ＋ 2 = 36 42 － 4 = 47 27 － 25 = 19 39 － 2 = 26 38 － 14 = 34 16 － 13 = 32 31 － 30 = 1 25 ＋ 16 = 7 21 ＋ 6 = 29 25 ＋ 5 = 26 18 ＋ 32 = 30 33 ＋ 10 = 12 20 － 18 = 37 4 ＋ 25 = 48 45 － 32 = 17 49 － 21 = 6 37 － 16 = 38 25 ＋ 10 = 2 8 ＋ 19 = 37 48 － 33 = 24 45 － 16 = 3 49 － 32 = 1 9 － 6 = 41 17 － 6 = 27 1 ＋ 46 = 30 41 － 16 = 50 30 ＋ 4 = 43 11 ＋ 31 = 2 48 － 28 = 29 8 ＋ 13 = 13 7 ＋ 32 = 28 28 － 23 = 21 33 ＋ 15 = 35 25 ＋ 0 = 27 17 ＋ 5 = 15 4 ＋ 13 = 29 41 － 27 = 17 33 ＋ 16 = 3 48 － 44 = 11 47 25 34 42 20 21 39 5 48 25 22 17 14 49 4 本文来源：https://www.wddqw.com/doc/f7bce6a4814d2b160b4e767f5acfa1c7ab0082c1.html