1桁の足し算と引き算虫食い
.
9 - 4 = 5 1 - 1 = 0
9 - 6 = 3 9 + 7 = 16
8 + 7 = 15 4 + 9 = 13
6 - 0 = 6 5 - 3 = 2
6 - 2 = 4 2 - 0 = 2
2 + 7 = 9 7 - 1 = 6
8 - 2 = 6 5 - 1 = 4
8 + 3 = 11 1 - 0 = 1
3 - 1 = 2 5 + 8 = 13
4 - 2 = 2 3 - 3 = 0
4 + 9 = 13 9 - 0 = 9
5 + 1 = 6 5 - 2 = 3
5 + 3 = 8 8 - 6 = 2
4 - 0 = 4 3 + 1 = 4
6 + 5 = 11 1 + 9 = 10
7 - 6 = 1 3 - 1 = 2
1 - 0 = 1 6 - 4 = 2
2 - 2 = 0 7 - 2 = 5
6 - 1 = 5 7 - 1 = 6
4 + 5 = 9 8 + 0 = 8
2 + 9 = 11 9 + 2 = 11
7 + 8 = 15 5 - 4 = 1
1 - 1 = 0 2 - 0 = 2
4 - 0 = 4 7 - 4 = 3
9 - 5 = 4 3 - 3 = 0
. 100/400 Copyright (C) Alpha.Inc All Rights Reserved.
http://www.sangan.jp/