1桁の足し算と20までの引き算虫食い
.
3 - 0 = 3 3 - 2 = 1
9 + 7 = 16 3 - 2 = 1
9 + 7 = 16 5 - 3 = 2
4 + 6 = 10 6 - 3 = 3
9 + 9 = 18 1 - 0 = 1
6 - 4 = 2 5 + 8 = 13
3 + 2 = 5 7 - 5 = 2
8 - 3 = 5 3 + 3 = 6
4 + 9 = 13 5 - 4 = 1
4 + 8 = 12 8 - 3 = 5
2 + 0 = 2 9 - 8 = 1
1 + 7 = 8 3 + 7 = 10
5 - 0 = 5 7 - 0 = 7
1 - 0 = 1 8 - 3 = 5
6 - 3 = 3 5 + 2 = 7
6 + 3 = 9 5 + 4 = 9
6 + 5 = 11 8 + 4 = 12
2 + 5 = 7 5 + 0 = 5
6 - 4 = 2 5 - 1 = 4
5 + 1 = 6 6 - 2 = 4
7 - 7 = 0 2 + 4 = 6
5 + 0 = 5 3 + 6 = 9
8 - 8 = 0 4 + 2 = 6
1 + 3 = 4 2 - 1 = 1
5 + 9 = 14 4 + 0 = 4
. 14/400 Copyright (C) Alpha.Inc All Rights Reserved.
http://www.sangan.jp/