50以内加减法100道题

42 - 32 = 10 + 32 = 30 - 26 = 10 + 10 = 30 - 16 = 10 + 11 = 35 - 27 = 45 - 37 = 26 + 14 = 42 - 16 = 21 + 17 = 17 + 11 = ··············································

33 - 12 = 30 - 18 = 15 - 3 = 13 + 22 = 34 - 31 = 37 - 2 = 27 - 3 = 25 + 16 = 15 + 32 = 38 - 34 = 30 + 18 = 13 + 20 = 12 + 31 = 29 - 14 = 13 + 12 = 23 - 2 = 40 - 32 = 14 + 25 = 18 + 20 = 49 - 11 = 25 + 11 = 24 - 8 = ··············································

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13 + 10 = 23 - 1 = ··············································

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34 - 21 = 31 + 14 = 21 + 19 = 21 - 20 = 16 + 11 = 14 + 12 = 24 + 16 = 45 - 11 = 29 - 4 = ··············································

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11 + 13 = 17 + 22 = ··············································

21 + 21 = ··············································

22 - 18 = 13 + 16 = 22 + 21 = 33 + 13 = 20 + 16 = 20 + 11 = 22 + 27 = 11 + 18 = 15 + 31 = 13 + 13 = 15 - 1 = 17 - 11 = 13 + 30 =

27 - 17 = 43 - 3 = 31 - 7 = 37 - 26 = 13 + 26 = 34 - 1 = ··············································

33 + 15 = 12 + 28 = 11 + 16 = 10 + 29 = 43 - 6 = ··············································

48 - 45 = 16 + 22 = 33 - 19 = 31 - 5 = ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ

22 + 23 = 49 - 37 = 18 - 10 = 36 - 1 = ··············································

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21 - 18 = 37 - 23 = 24 + 12 = 29 + 17 = 45 - 24 = 12 + 11 = 43 - 5 = 19 + 20 = 33 + 16 = 20 + 19 = 44 - 26 = 28 + 11 = 36 - 9 = ··············································

15 + 25 = 32 + 14 = 36 - 2 = ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ

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37 - 17 = 33 + 13 = 21 + 27 = ··············································

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35 - 13 = ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ