加2满１０进１下8
9 + 2 = 8 + 2 = 7 + 2 = 6 + 2 = 5 + 1 =
9 + 1 = 5 + 4 = 7 - 3 = 9 + 2 = 8 + 2 =
1 + 6 = 8 + 2 = 4 + 4 = 9 - 5 = 9 + 2 =
9 - 3 = 9 - 2 = 9 + 1 = 8 + 2 = 7 - 4 =
38 + 2 = 48 + 2 = 58 + 2 = 68 + 2 = 78 + 2 =
19 + 1 = 29 + 2 = 39 + 2 = 49 + 2 = 59 + 2 =
38 + 1 = 58 - 3 = 79 - 4 = 79 + 1 = 79 + 2 =
65 + 3 = 84 + 4 = 59 -5 = 69 + 2 = 47 - 1 =
加2满１０进１下8
18+ 12 = 18 + 22 = 18 + 41 = 18 + 41 = 18 + 52 =
19 + 12 = 19 + 30 = 19 + 32 = 33 + 42 = 19 + 52 =
51 + 28 = 29 + 12 = 28 + 22 = 29 - 22 = 38 + 32 =
39 + 32 = 48 - 42 = 49 + 42 = 59 + 11 = 59 + 12 =
39 + 21 = 39 + 22 = 48 + 22 = 48 + 11 = 59 + 12 =
47 - 22 = 68 - 18 = 78 - 33 = 59 - 44 = 69 - 14 =
58 + 32 = 39 + 31 = 68 + 12 = 49 + 42 = 29 + 41 =
39 + 42 = 58 + 22 = 79 + 11 = 69 + 12 = 89 - 33 =
