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