20以内减法运算题（共100题） - 10 = 2 2 - 10 = 3 3 - 9 = 10 - 8 = 2 1 12 13 19 10 4 5 14 - 11 = 3 6 19 - 15 = 4 7 18 - 9 = 9 8 - 10 = 11 1 9 15 13 16 17 15 21 11 25 11 29 12 33 11 37 11 41 19 45 15 49 18 53 19 57 9 61 13 65 10 69 10 73 14 77 12 81 18 - 9 = - 13 = - 13 = - 10 = - 9 = - 9 = - 9 = - 10 = - 12 = - 13 = - 9 = - 14 = - 8 = - 11 = - 9 = - 8 = - 10 = - 9 = - 11 = 10 10 14 10 18 18 22 13 26 12 30 10 34 12 38 16 42 17 46 14 50 10 54 9 58 17 62 18 66 11 70 18 74 12 78 19 82 12 - 8 = - 9 = - 16 = - 11 = - 8 = - 8 = - 8 = - 11 = - 15 = - 10 = - 8 = - 8 = - 14 = - 11 = - 9 = - 14 = - 9 = - 16 = - 9 = 11 13 15 17 19 9 23 10 27 10 31 11 35 17 39 12 43 11 47 18 51 19 55 19 59 18 63 18 67 14 71 13 75 17 79 9 83 18 - 10 = - 11 = - 8 = - 9 = - 9 = - 9 = - 9 = - 8 = - 9 = - 12 = - 16 = - 14 = - 9 = - 12 = - 12 = - 11 = - 9 = - 8 = - 12 = 12 10 16 12 20 17 24 19 28 14 32 18 36 17 40 13 44 19 48 13 52 18 56 12 60 17 64 10 68 17 72 19 76 9 80 13 84 16 - 9 = 1 - 10 = 2 - 14 = 3 - 14 = 5 - 10 = 4 - 10 = 8 - 12 = 5 - 10 = 3 - 14 = 5 - 9 = 4 - 15 = 3 - 11 = 1 - 8 = 9 - 9 = 1 - 13 = 4 - 9 = 10 - 8 = 1 - 10 = 3 - 9 = 7 6 2 3 3 1 6 2 2 1 1 2 1 2 4 1 3 2 2 2 4 8 1 5 4 7 2 2 2 4 6 9 2 3 5 1 5 1 3 9 2 7 6 1 2 2 2 4 2 4 3 8 3 3 1 7 3 6 本文来源：https://www.wddqw.com/doc/6c42e52ede3383c4bb4cf7ec4afe04a1b071b0f0.html