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小学生数学口算练习70 以内32[技巧]

2017-10-14 2页 doc 12KB 19阅读

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小学生数学口算练习70 以内32[技巧]小学生数学口算练习70 以内32[技巧] 58 - 52 = 59 - 7 = 70 - 56 = 24 - 1 = 58 - 24 = 1 + 32 = 27 + 47 = 21 + 48 = 56 + 24 = 45 + 18 = 55 - 8 = 2 + 45 = 47 - 33 = 58 - 3 = 49 - 20 = 52 - 33 = 22 + 58 = 39 + 26 = 19 - 3 = 35 + 7 = 41 - 22 = 29 - 26 = 61 - 7 = 30 + 18 = 55 - 7 ...
小学生数学口算练习70 以内32[技巧]
小学生数学口算练习70 以内32[技巧] 58 - 52 = 59 - 7 = 70 - 56 = 24 - 1 = 58 - 24 = 1 + 32 = 27 + 47 = 21 + 48 = 56 + 24 = 45 + 18 = 55 - 8 = 2 + 45 = 47 - 33 = 58 - 3 = 49 - 20 = 52 - 33 = 22 + 58 = 39 + 26 = 19 - 3 = 35 + 7 = 41 - 22 = 29 - 26 = 61 - 7 = 30 + 18 = 55 - 7 = 60 - 42 = 66 - 10 = 53 - 34 = 45 - 13 = 23 - 8 = 61 + 57 = 17 + 36 = 2 + 29 = 44 - 9 = 46 - 10 = 34 - 8 = 69 + 12 = 18 - 10 = 65 - 33 = 52 - 51 = 37 - 36 = 9 + 33 = 57 - 22 = 31 - 16 = 10 - 7 = 13 + 89 = 19 + 40 = 55 + 86 = 50 + 39 = 85 + 75 = 35 + 13 = 52 - 16 = 52 - 37 = 16 + 80 = 90 + 49 = 99 + 74 = 54 + 75 = 78 + 33 = 24 - 3 = 90 + 14 = 79 - 70 = 91 - 42 = 20 - 9 = 64 + 29 = 46 - 4 = 79 - 1 = 93 - 5 = 86 - 75 = 99 - 14 = 68 - 34 = 39 - 23 = 96 - 69 = 11 + 62 = 77 + 30 = 62 - 9 = 99 - 10 = 94 - 16 = 87 + 81 = 38 + 70 = 50 + 68 = 1 + 72 = 80 - 65 = 18 - 16 = 6 + 27 = 17 + 27 = 97 - 63 = 88 + 82 = 59 + 23 = 87 - 41 = 93 - 38 = 63 + 22 = 48 + 59 = 10 + 16 = 8 + 99 = 74 - 25 = 93 + 1 = 63 - 46 = 100 + 53 = 32 + 7 = 83 - 41 = 19 - 3 = 76 - 63 = 8 + 82 = 37 + 98 = 37 + 31 = 98 - 29 = 10 + 85 = 31 - 17 = 91 + 94 = 59 - 26 = 55 - 53 = 21 + 41 = 49 - 9 = 63 - 48 = 13 + 32 = 93 - 76 = 40 + 59 = 55 + 99 = 5 + 96 = 15 + 47 = 70 + 80 = 70 - 39 = 24 + 19 = 76 - 16 = 60 + 99 = 76 + 16 = 71 - 35 = 67 + 94 = 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 =
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