( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 2
5 | , | 4
3 | ) | | (6) | ( | 1
2 | , | 4
5 | ) | | (2) | ( | 3
10 | , | 6
5 | ) | | (7) | ( | 6
7 | , | 8
9 | ) | | (3) | ( | 2
5 | , | 3
2 | ) | | (8) | ( | 1
2 | , | 1
3 | ) | | (4) | ( | 8
5 | , | 7
4 | ) | | (9) | ( | 5
8 | , | 7
3 | ) | | (5) | ( | 4
9 | , | 7
6 | ) | | (10) | ( | 1
7 | , | 7
6 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 6 - 15 | , | 20 - 15 | ) | (6) | ( | 5 - 10 | , | 8 - 10 | ) | (2) | ( | 3 - 10 | , | 12 - 10 | ) | (7) | ( | 54 - 63 | , | 56 - 63 | ) | (3) | ( | 4 - 10 | , | 15 - 10 | ) | (8) | ( | 3 - 6 | , | 2 - 6 | ) | (4) | ( | 32 - 20 | , | 35 - 20 | ) | (9) | ( | 15 - 24 | , | 56 - 24 | ) | (5) | ( | 8 - 18 | , | 21 - 18 | ) | (10) | ( | 6 - 42 | , | 49 - 42 | ) |
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