用3,6,7,9算24点,有多少算发?请动动你们的脑筋吧.

用3,6,7,9算24点,有多少算发?请动动你们的脑筋吧.
用3,6,7,9算24点,有多少算发?
请动动你们的脑筋吧.

用3,6,7,9算24点,有多少算发?请动动你们的脑筋吧.
(9-7+6)*3

1: 3 × (6 - 7 + 9)
2: 3 × ((6 - 7) + 9)
3: 3 × (6 - (7 - 9))
4: 3 - (6 - 9) × 7
5: 3 - ((6 - 9) × 7)
6: 3 × (6 + 9 - 7)
7: 3 × ((6 + 9) - 7)
8: 3 × (6 + (9 - 7))

全部展开

1: 3 × (6 - 7 + 9)
2: 3 × ((6 - 7) + 9)
3: 3 × (6 - (7 - 9))
4: 3 - (6 - 9) × 7
5: 3 - ((6 - 9) × 7)
6: 3 × (6 + 9 - 7)
7: 3 × ((6 + 9) - 7)
8: 3 × (6 + (9 - 7))
9: 3 - (7 × (6 - 9))
10: 3 - 7 ×(6 - 9)
11: 3 × 7 - 6 + 9
12: (3 × 7) - 6 + 9
13: (3 × 7 - 6) + 9
14: ((3 × 7) - 6) + 9
15: 3 × 7 -(6 - 9)
16: (3 × 7) - (6 - 9)
17: 3 + (7 × (9 - 6))
18: 3 + 7 ×(9 - 6)
19: 3 × 7 + 9 - 6
20: (3 × 7) + 9 - 6
21: (3 × 7 + 9) - 6
22: ((3 × 7) + 9) - 6
23: 3 × 7 +(9 - 6)
24: (3 × 7) + (9 - 6)
25: 3 + (9 - 6) × 7
26: 3 + ((9 - 6) × 7)
27: 3 × (9 + 6 - 7)
28: 3 × ((9 + 6) - 7)
29: 3 × (9 + (6 - 7))
30: 3 × (9 - 7 + 6)
31: 3 × ((9 - 7) + 6)
32: 3 × (9 - (7 - 6))
33: (6 - 7 + 9) × 3
34: ((6 - 7) + 9) × 3
35: (6 - (7 - 9)) × 3
36: 6 × (7 - 9 ÷ 3)
37: 6 × (7 - (9 ÷ 3))
38: (6 + 9 - 7) × 3
39: ((6 + 9) - 7) × 3
40: (6 + (9 - 7)) × 3
41: 7 × 3 - 6 + 9
42: (7 × 3) - 6 + 9
43: (7 × 3 - 6) + 9
44: ((7 × 3) - 6) + 9
45: 7 × 3 -(6 - 9)
46: (7 × 3) - (6 - 9)
47: 7 × 3 + 9 - 6
48: (7 × 3) + 9 - 6
49: (7 × 3 + 9) - 6
50: ((7 × 3) + 9) - 6
51: 7 × 3 +(9 - 6)
52: (7 × 3) + (9 - 6)
53: (7 - 9 ÷ 3) × 6
54: (7 - (9 ÷ 3)) × 6
55: (7 × (9 - 6)) + 3
56: 7 × (9 - 6) + 3
57: 9 + 3 × 7 - 6
58: (9 + 3 × 7) - 6
59: (9 + (3 × 7)) - 6
60: 9 + (3 × 7) - 6
61: 9 + (3 × 7 - 6)
62: 9 + ((3 × 7) - 6)
63: 9 - 6 + 3 × 7
64: (9 - 6) + 3 × 7
65: 9 - 6 +(3 × 7)
66: (9 - 6) + (3 × 7)
67: 9 - (6 - 3 × 7)
68: 9 - (6 - (3 × 7))
69: (9 + 6 - 7) × 3
70: ((9 + 6) - 7) × 3
71: (9 + (6 - 7)) × 3
72: 9 - 6 + 7 × 3
73: (9 - 6) + 7 × 3
74: 9 - 6 +(7 × 3)
75: (9 - 6) + (7 × 3)
76: 9 - (6 - 7 × 3)
77: 9 - (6 - (7 × 3))
78: (9 - 6) × 7 + 3
79: ((9 - 6) × 7) + 3
80: 9 + 7 × 3 - 6
81: (9 + 7 × 3) - 6
82: (9 + (7 × 3)) - 6
83: 9 + (7 × 3) - 6
84: 9 + (7 × 3 - 6)
85: 9 + ((7 × 3) - 6)
86: (9 - 7 + 6) × 3
87: ((9 - 7) + 6) × 3
88: (9 - (7 - 6)) × 3

收起

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

全部展开

1: 4 × 7 + 5 - 9
2: (4 × 7) + 5 - 9
3: (4 × 7 + 5) - 9
4: ((4 × 7) + 5) - 9
5: 4 × 7 +(5 - 9)
6: (4 × 7) + (5 - 9)
7: 4 × 7 - 9 + 5
8: (4 × 7) - 9 + 5
9: (4 × 7 - 9) + 5
10: ((4 × 7) - 9) + 5
11: 4 × 7 -(9 - 5)
12: (4 × 7) - (9 - 5)
13: 4 × 9 -(5 + 7)
14: (4 × 9) - (5 + 7)
15: 4 × 9 - 5 - 7
16: (4 × 9) - 5 - 7
17: (4 × 9 - 5) - 7
18: ((4 × 9) - 5) - 7
19: 4 × 9 -(7 + 5)
20: (4 × 9) - (7 + 5)
21: 4 × 9 - 7 - 5
22: (4 × 9) - 7 - 5
23: (4 × 9 - 7) - 5
24: ((4 × 9) - 7) - 5
25: 5 + 4 × 7 - 9
26: (5 + 4 × 7) - 9
27: (5 + (4 × 7)) - 9
28: 5 + (4 × 7) - 9
29: 5 + (4 × 7 - 9)
30: 5 + ((4 × 7) - 9)
31: 5 + 7 × 4 - 9
32: (5 + 7 × 4) - 9
33: (5 + (7 × 4)) - 9
34: 5 + (7 × 4) - 9
35: 5 + (7 × 4 - 9)
36: 5 + ((7 × 4) - 9)
37: (5 × (7 - 4)) + 9
38: 5 × (7 - 4) + 9
39: 5 - 9 + 4 × 7
40: (5 - 9) + 4 × 7
41: 5 - 9 +(4 × 7)
42: (5 - 9) + (4 × 7)
43: 5 - (9 - 4 × 7)
44: 5 - (9 - (4 × 7))
45: 5 - 9 + 7 × 4
46: (5 - 9) + 7 × 4
47: 5 - 9 +(7 × 4)
48: (5 - 9) + (7 × 4)
49: 5 - (9 - 7 × 4)
50: 5 - (9 - (7 × 4))
51: (7 - 4) × 5 + 9
52: ((7 - 4) × 5) + 9
53: 7 × 4 + 5 - 9
54: (7 × 4) + 5 - 9
55: (7 × 4 + 5) - 9
56: ((7 × 4) + 5) - 9
57: 7 × 4 +(5 - 9)
58: (7 × 4) + (5 - 9)
59: 7 × 4 - 9 + 5
60: (7 × 4) - 9 + 5
61: (7 × 4 - 9) + 5
62: ((7 × 4) - 9) + 5
63: 7 × 4 -(9 - 5)
64: (7 × 4) - (9 - 5)
65: (7 × (9 - 5)) - 4
66: 7 × (9 - 5) - 4
67: 9 × 4 -(5 + 7)
68: (9 × 4) - (5 + 7)
69: 9 × 4 - 5 - 7
70: (9 × 4) - 5 - 7
71: (9 × 4 - 5) - 7
72: ((9 × 4) - 5) - 7
73: 9 - (4 - 7) × 5
74: 9 - ((4 - 7) × 5)
75: 9 × 4 -(7 + 5)
76: (9 × 4) - (7 + 5)
77: 9 × 4 - 7 - 5
78: (9 × 4) - 7 - 5
79: (9 × 4 - 7) - 5
80: ((9 × 4) - 7) - 5
81: 9 - (5 × (4 - 7))
82: 9 - 5 ×(4 - 7)
83: 9 + (5 × (7 - 4))
84: 9 + 5 ×(7 - 4)
85: (9 - 5) × 7 - 4
86: ((9 - 5) × 7) - 4
87: 9 + (7 - 4) × 5
88: 9 + ((7 - 4) × 5)

收起