脳を鍛える1分計算
7 + 14 =
next
2 × 5 =
next
10 - 8 =
next
17 - 12 =
next
17 + 7 =
next
14 + 5 =
next
17 + 17 =
next
2 × 13 =
next
16 + 14 =
next
15 - 1 =
next
14 - 4 =
next
20 - 15 =
next
1 × 2 =
next
4 + 18 =
next
16 + 20 =
next
4 + 19 =
next
5 + 20 =
next
16 + 20 =
next
18 - 14 =
next
1 × 14 =
next
4 + 4 =
next
17 - 13 =
next
9 + 3 =
next
17 - 3 =
next
9 + 11 =
next
16 - 13 =
next
6 + 2 =
next
1 × 5 =
next
15 + 5 =
next
2 × 4 =
next
15 - 8 =
next
11 + 1 =
next
16 - 6 =
next
8 + 17 =
next
5 + 12 =
next
1 × 10 =
next
14 + 13 =
next
10 - 3 =
next
14 + 20 =
next
16 + 2 =
next
20 - 11 =
next
19 + 19 =
next
4 - 2 =
next
17 + 19 =
next
11 + 16 =
next
5 + 8 =
next
7 + 5 =
next
4 + 4 =
next
6 - 3 =
next
14 - 9 =
next
17 + 18 =
next
1 × 15 =
next
14 + 7 =
next
13 + 4 =
next
8 + 6 =
next
6 + 8 =
next
18 - 7 =
next
17 - 9 =
next
5 + 7 =
next
12 + 17 =
next
11 + 5 =
next
2 × 16 =
next
3 × 16 =
next
14 + 9 =
next
20 + 12 =
next
4 + 19 =
next
13 + 17 =
next
13 - 9 =
next
17 + 6 =
next
10 + 5 =
next
2 × 19 =
next
13 + 12 =
next
10 + 11 =
next
12 + 11 =
next
8 + 14 =
next
17 + 11 =
next
12 + 5 =
next
20 + 5 =
next
13 + 3 =
next
18 - 13 =
next
8 + 10 =
next
5 + 9 =
next
20 - 2 =
next
1 × 10 =
next
18 + 7 =
next
6 - 4 =
next
6 + 17 =
next
16 - 11 =
next
2 × 4 =
next
16 + 18 =
next
10 - 4 =
next
14 - 2 =
next
12 + 11 =
next
2 × 10 =
next
18 + 1 =
next
12 + 10 =
next
12 + 7 =
next
17 - 6 =
next
17 + 6 =
next
6 + 15 =
next
13 - 4 =
next
10 + 16 =
next
6 + 4 =
next
6 + 3 =
next
11 + 19 =
next
14 - 8 =
next
16 + 19 =
next
9 + 3 =
next
7 + 4 =
next
10 + 5 =
next
17 - 14 =
next
16 + 7 =
next
10 + 18 =
next
16 - 6 =
next
2 × 15 =
next
16 + 7 =
next
4 + 7 =
next
3 × 13 =
next
10 + 20 =
next
15 + 17 =
next
start