2桁の足し算と引き算
.
94 - 8 = 32 + 83 =
75 + 24 = 43 + 29 =
14 - 12 = 11 + 13 =
56 + 50 = 9 + 87 =
81 + 15 = 80 - 33 =
29 + 24 = 51 - 19 =
57 - 47 = 19 + 90 =
25 - 15 = 50 + 92 =
26 + 67 = 42 - 24 =
46 + 87 = 86 - 76 =
53 + 61 = 64 + 83 =
97 + 37 = 47 + 87 =
90 - 51 = 97 + 35 =
42 + 63 = 95 + 19 =
64 - 40 = 66 + 13 =
17 - 11 = 59 - 34 =
56 + 99 = 41 - 38 =
37 + 48 = 58 - 46 =
28 - 20 = 23 - 14 =
92 - 81 = 27 - 16 =
28 - 20 = 70 - 22 =
57 - 13 = 50 + 30 =
68 - 42 = 72 + 29 =
89 - 49 = 88 - 14 =
71 - 43 = 77 - 12 =
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