用3,3,7,7和4,4,7,7算24点每个数只能用一次,运用加,减,乘,除运算符号及括号(不一定全用)
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用3,3,7,7和4,4,7,7算24点每个数只能用一次,运用加,减,乘,除运算符号及括号(不一定全用)
用3,3,7,7和4,4,7,7算24点
每个数只能用一次,运用加,减,乘,除运算符号及括号(不一定全用)
用3,3,7,7和4,4,7,7算24点每个数只能用一次,运用加,减,乘,除运算符号及括号(不一定全用)
3,3,7,7的24点答案:
1:(3 + 3 ÷ 7) × 7
2:(3 + (3 ÷ 7)) × 7
3:(3 ÷ 7 + 3) × 7
4:((3 ÷ 7) + 3) × 7
5:7 × (3 + 3 ÷ 7)
6:7 × (3 + (3 ÷ 7))
7:7 × (3 ÷ 7 + 3)
8:7 × ((3 ÷ 7) + 3)
4,4,7,7的24点答案:
1:(4 - 4 ÷ 7) × 7
2:(4 - (4 ÷ 7)) × 7
3:7 × (4 - 4 ÷ 7)
4:7 × (4 - (4 ÷ 7))
7*(3/7+3)
7*((3/7)+3)
7*(3+3/7)
7*(3+(3/7))
(3/7+3)*7
((3/7)+3)*7
(3+3/7)*7
(3+(3/7))*7
(4-4/7)*7=24
(3+3/7)*7=24
(4-4/7)*7=24
(3+3/7)*7
(4-4/7)*7
(3+(3/7))*7
(4 - 4 ÷ 7) × 7
3、3、7、7:
⒈[3 + 3 ÷ 7]×7
⒉ [3 + (3 ÷ 7)] × 7
⒊ [3 ÷ 7 + 3] × 7
⒋[(3 ÷ 7) + 3] × 7
⒌ 7 × (3 + 3 ÷ 7)
⒍7 × [3 + (3 ÷ 7)]
⒎ 7 × (3 ÷ 7 + 3)
⒏ 7 × [(3 ÷ 7) + 3)]
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3、3、7、7:
⒈[3 + 3 ÷ 7]×7
⒉ [3 + (3 ÷ 7)] × 7
⒊ [3 ÷ 7 + 3] × 7
⒋[(3 ÷ 7) + 3] × 7
⒌ 7 × (3 + 3 ÷ 7)
⒍7 × [3 + (3 ÷ 7)]
⒎ 7 × (3 ÷ 7 + 3)
⒏ 7 × [(3 ÷ 7) + 3)]
4、4、7、7
⒈ (4 - 4 ÷ 7) × 7
⒉ (4 - (4 ÷ 7)) × 7
⒊ 7 × (4 - 4 ÷ 7)
⒋ 7 × (4 - (4 ÷ 7)
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(3+3/7)×7
(4-4/7)×7