作业帮2\6\9\9\算二十四点
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2\6\9\9\算二十四点
2\6\9\9\算二十四点
2\6\9\9\算二十四点
1:(2 + 6 ÷ 9) × 9
2:(2 + (6 ÷ 9)) × 9
3:2 × (9 - 6 + 9)
4:2 × ((9 - 6) + 9)
5:2 × (9 - (6 - 9))
6:2 × (9 + 9 - 6)
7:2 × ((9 + 9) - 6)
8:2 × (9 + (9 - 6))
9:(6 ÷ 9 + 2) × 9
10:((6 ÷ 9) + 2) × 9
11:9 × (2 + 6 ÷ 9)
12:9 × (2 + (6 ÷ 9))
13:(9 - 6 + 9) × 2
14:((9 - 6) + 9) × 2
15:(9 - (6 - 9)) × 2
16:9 × (6 ÷ 9 + 2)
17:9 × ((6 ÷ 9) + 2)
18:(9 + 9 - 6) × 2
19:((9 + 9) - 6) × 2
20:(9 + (9 - 6)) × 2