ThatQuiz
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试题库
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现在参加这个测试
doubles plus one
1.
1 + 0 =
2.
0 + 1 =
3.
8 + 9 =
4.
7 + 8 =
5.
6 + 7 =
6.
5 + 6 =
7.
4 + 5 =
8.
3 + 4 =
9.
2 + 3 =
10.
1 + 2 =
11.
2 + 1 =
12.
3 + 2 =
13.
4 + 3 =
14.
6 + 5 =
15.
7 + 6 =
16.
8 + 7 =
17.
9 + 8 =
18.
6 + 5 =
19.
7 + 6 =
20.
9 + 8 =
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That Quiz
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