小学生数学口算练习(50以内)
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15 - 14 = 36 - 17 = 50 - 1 = 49 - 7 = 25 + 9 = 10 + 40 = 46 - 36 = 44 - 24 = 15 + 4 = 1 + 9 =
31 + 47 =
32 + 40 = 10 + 8 = 23 + 39 = 39 + 30 = 9 - 8 = 16 + 39 = 12 + 3 = 23 + 6 = 47 + 13 = 34 - 26 = 43 + 45 = 32 + 49 = 22 - 2 = 8 + 27 = 40 + 26 = 11 - 1 = 20 + 12 = 40 - 2 = 24 - 3 = 33 + 36 = 27 - 18 = 33 - 33 = 22 - 5 = 27 + 30 = 43 - 26 = 50 - 35 = 13 + 46 = 19 - 4 = 24 + 30 = 38 - 30 = 38 - 17 =
46 - 44 = 37 - 17 = 39 - 33 = 35 - 15 = 17 + 22 = 14 - 14 = 36 + 4 = 33 - 9 = 14 - 7 = 9 + 47 = 32 + 45 = 30 - 23 = 36 - 1 = 45 - 17 = 43 - 40 = 25 + 5 = 46 + 50 = 14 + 25 = 19 - 19 = 9 - 6 = 26 - 3 = 15 + 15 = 35 + 25 = 10 + 34 = 90 + 49 = 54 + 75 = 24 - 3 = 79 - 70 = 20 - 9 = 46 - 4 = 93 - 5 = 99 - 14 = 39 - 23 = 11 + 62 = 62 - 9 = 94 - 16 = 38 + 70 = 1 + 72 = 18 - 16 = 31 - 16 = 13 + 89 = 55 + 86 =
85 + 75 = 52 - 16 = 16 + 80 = 99 + 74 = 78 + 33 =
90 + 14 =
91 - 42 = 64 + 29 = 79 - 1 = 86 - 75 = 68 - 34 = 96 - 69 = 77 + 30 = 99 - 10 = 87 + 81 = 50 + 68 = 80 - 65 = 6 + 27 = 17 + 27 = 88 + 82 = 87 - 41 = 63 + 22 = 10 + 16 = 74 - 25 = 63 - 46 = 32 + 7 = 19 - 3 = 8 + 82 = 37 + 31 = 10 + 85 = 91 + 94 = 55 - 53 = 49 - 9 = 13 + 32 = 40 + 59 = 5 + 96 = 70 + 80 = 24 + 19 = 60 + 99 = 97 - 63 = 59 + 23 = 93 - 38 =
48 + 59 = 8 + 99 = 93 + 1 = 100 + 53 = 83 - 41 = 76 - 63 = 37 + 98 = 98 - 29 = 31 - 17 = 59 - 26 = 21 + 41 = 63 - 48 = 93 - 76 = 55 + 99 = 15 + 47 = 70 - 39 = 76 - 16 = 76 + 16 = 71 - 35 = 65 + 58 = 62 - 25 = 70 - 31 = 51 - 34 = 11 + 38 = 79 - 38 = 37 + 15 = 92 - 50 = 6 + 38 = 38 + 24 = 71 + 9 = 82 + 86 = 74 + 53 = 77 + 27 = 73 + 50 = 75 - 20 = 42 - 12 = 66 - 20 = 86 + 17 = 16 + 10 = 67 + 94 =