2桁の足し算と引き算
.
29 + 22 = 61 - 29 =
76 + 89 = 33 - 28 =
73 + 15 = 15 + 89 =
36 + 61 = 61 - 8 =
76 + 23 = 63 + 23 =
23 + 73 = 33 + 62 =
91 - 58 = 45 - 19 =
76 - 51 = 71 + 82 =
85 - 76 = 12 - 12 =
98 + 17 = 54 - 9 =
37 + 87 = 62 + 82 =
11 - 10 = 38 + 65 =
18 - 12 = 87 + 31 =
41 - 26 = 10 + 75 =
63 + 50 = 12 + 75 =
19 + 65 = 68 - 29 =
67 - 23 = 72 - 26 =
19 - 11 = 31 - 17 =
32 - 23 = 77 - 22 =
13 - 8 = 10 + 63 =
83 - 60 = 95 - 40 =
49 + 45 = 27 + 95 =
75 - 37 = 26 - 10 =
13 - 12 = 79 - 35 =
68 + 10 = 58 + 45 =
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