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(答え)
     
(1)
1
2
1 + 1 = 1+1 = 2 = 1
4 4 4 4 2
(2)
1
2
1 + 3 = 2+3 = 5 = 1
5 10 10 10 2

(3)

3
4
5 + 1 = 5+4 = 9 = 3
12 3 12 12 4
(4)
1
2
2 + 3 = 4+3 = 7 = 1
7 14 14 14 2
(5)
1
4
1 + 1 = 1+2 = 3 = 1
12 6 12 12 4
(6)
1
2
4 + 1 = 8+1 = 9 = 1
9 18 18 18 2
(7)
1
4
1 + 1 = 4+1 = 5 = 1
5 20 20 20 4
(8)
1
6
1 + 1 = 2+1 = 3 = 1
9 18 18 18 6
(9)
5
8
1 + 7 = 8+7 = 15 = 5
3 24 24 24 8
(10)
2
3
2 + 2 = 4+2 = 6 = 2
9 3 9 9 3
     
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