2 7 8 9怎么变成24
来源:学生学帮网 编辑:学帮网 时间:2024/06/04 13:16:45
2 7 8 9怎么变成24
1:(2 × (7 + 9)) - 8
2:2 × (7 + 9) - 8
3:(2 × (9 + 7)) - 8
4:2 × (9 + 7) - 8
5:(7 + 9) × 2 - 8
6:((7 + 9) × 2) - 8
7:(9 + 7) × 2 - 8
8:((9 + 7) × 2) - 8
(7+9)*2-8
2 7 8 9怎么变成24
1:(2 × (7 + 9)) - 8
2:2 × (7 + 9) - 8
3:(2 × (9 + 7)) - 8
4:2 × (9 + 7) - 8
5:(7 + 9) × 2 - 8
6:((7 + 9) × 2) - 8
7:(9 + 7) × 2 - 8
8:((9 + 7) × 2) - 8
(7+9)*2-8