(答え) |
|
|
|
(1) |
|
|
× |
|
= |
1 |
= |
|
1 |
2 |
1×2 |
1 |
|
|
|
|
2 |
3 |
2×3 |
3 |
|
|
1 |
|
|
(2) |
|
|
× |
|
= |
1 |
= |
|
2 |
1 |
2×1 |
1 |
|
|
|
|
3 |
4 |
3×4 |
6 |
|
|
2 |
|
|
(3) |
|
|
× |
|
= |
1 |
= |
|
2 |
5 |
2×5 |
2 |
|
|
|
|
5 |
7 |
5×7 |
7 |
|
|
1 |
|
|
(4) |
|
|
× |
|
= |
1 |
= |
|
1 |
4 |
1×4 |
1 |
|
|
|
|
8 |
7 |
8×7 |
14 |
|
|
2 |
|
|
(5) |
|
|
× |
|
= |
2 |
= |
|
6 |
8 |
6×8 |
16 |
|
|
|
|
7 |
9 |
7×9 |
21 |
|
|
3 |
|
|
(6) |
|
|
× |
|
= |
1 1 |
= |
|
2 |
3 |
2×3 |
1 |
|
|
|
|
3 |
4 |
3×4 |
2 |
|
|
1 2 |
|
|
(7) |
|
|
× |
|
= |
1 1 |
= |
|
5 |
2 |
5×2 |
1 |
|
|
|
|
6 |
5 |
6×5 |
3 |
|
|
3 1 |
|
|
(8) |
|
|
× |
|
= |
1 1 |
= |
|
7 |
4 |
7×4 |
1 |
|
|
|
|
8 |
7 |
8×7 |
2 |
|
|
2 1 |
|
|
(9) |
|
|
× |
|
= |
1 1 |
= |
|
5 |
3 |
5×3 |
1 |
|
|
|
|
9 |
5 |
9×5 |
3 |
|
|
3 1 |
|
|
(10) |
|
|
× |
|
= |
2 1 |
= |
|
6 |
7 |
6×7 |
2 |
|
|
|
|
7 |
9 |
7×9 |
3 |
|
|
1 3 |
|
|
|
|
|
|
← 問題にもどる |
次の問題 → |
|
|
|