3、6、7、9通过四则运算后等于24.

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/19 17:47:36
3、6、7、9通过四则运算后等于24.
xJ0_%idn Co'](mL s`)[3Ta ZNS".rt s4,ir8o#)aޢ@#Yi":"W @YʺH3Jv)1a IR3J_C*#VWWΕiXl$<~4 lFrwAO=(a%h'-E*<{_ފ9b]b Jݰ-xcwz

3、6、7、9通过四则运算后等于24.
3、6、7、9通过四则运算后等于24.

3、6、7、9通过四则运算后等于24.
3*7 9-6

亲爱的楼主:
1: 3 - (6 - 9) × 7
2: 3 - ((6 - 9) × 7)
3: 3 × (6 + 9 - 7)
4: 3 × ((6 + 9) - 7)
5: 3 × (6 + (9 - 7))
6: 3 × (6 - 7 + 9)
7: 3 × ((6 - 7) + 9)
8: 3 × (6 - ...

全部展开

亲爱的楼主:
1: 3 - (6 - 9) × 7
2: 3 - ((6 - 9) × 7)
3: 3 × (6 + 9 - 7)
4: 3 × ((6 + 9) - 7)
5: 3 × (6 + (9 - 7))
6: 3 × (6 - 7 + 9)
7: 3 × ((6 - 7) + 9)
8: 3 × (6 - (7 - 9))
9: 3 + (9 - 6) × 7
10: 3 + ((9 - 6) × 7)
11: 3 × (9 + 6 - 7)
12: 3 × ((9 + 6) - 7)
13: 3 × (9 + (6 - 7))
14: 3 × (9 - 7 + 6)
15: 3 × ((9 - 7) + 6)
16: 3 × (9 - (7 - 6))
17: 3 - (7 × (6 - 9))
18: 3 - 7 ×(6 - 9)
19: 3 × 7 - 6 + 9
祝您步步高升
期望你的采纳,谢谢

收起

3*7=21
9-6=3

(9-7+6)x3=24