4,5,5,7=??? 6,8,9,12=???????????? 7,9,9,13=????????
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合24 請回答
2007-04-15 7:14 pm
回答 (3)
2007-04-15 7:26 pm
✔ 最佳答案
4、5、5、74 × ( 7 - 5 ÷ 5 )
=4 × (7 - 1)
=4 × 6
=24
════════
6、8、9、12
8 × ( 6 + 9 - 12 )
=8 × 3
=24
═══════
7、9、9、13
? ? ? ? ? ? ? ? ?
2007-04-15 11:44:08 補充：
7、9、9、1313 - 7 9 9=24
參考: mE
2007-04-15 9:01 pm
4、5、5、7
4 × ( 7 - 5 ÷ 5 )
=4 × (7 - 1)
=4 × 6
=24
════════
6、8、9、12
8 × ( 6 + 9 - 12 )
=8 × 3
=24
═══════
7、9、9、13
9-7+9+13
=2+9+13
=11+13
=24
4 × ( 7 - 5 ÷ 5 )
=4 × (7 - 1)
=4 × 6
=24
════════
6、8、9、12
8 × ( 6 + 9 - 12 )
=8 × 3
=24
═══════
7、9、9、13
9-7+9+13
=2+9+13
=11+13
=24
參考: me
2007-04-15 7:39 pm
1)
4 * [7 - (5/5)]
=4 * (7 - 1)
=4 * 6
= 24 //
2)
(8 * 9 / 6) + 12
=72 / 6 + 12
=12 + 12
=24 //
3)
(13 + 9) + (9 - 7)
=22 + 2
=24 //
4 * [7 - (5/5)]
=4 * (7 - 1)
=4 * 6
= 24 //
2)
(8 * 9 / 6) + 12
=72 / 6 + 12
=12 + 12
=24 //
3)
(13 + 9) + (9 - 7)
=22 + 2
=24 //
參考: by My Maths
收錄日期: 2021-04-13 00:42:54
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https://hk.answers.yahoo.com/question/index?qid=20070415000051KK01345