小學 奧數

2013-03-19 5:53 am
1, 3, 5, 7 = 24

3, 5, 5, 6 = 24

2, 6, 6, 7 = 24

1, 2, 3, 8, 9 = 36

+ - x / 放在數字之間, thanks!

回答 (4)

✔ 最佳答案
你好~~

我想問可不可以用括號,同埋D數字是不是可以倒轉@@?

1,3,5,7 = 24 --> (3-1) x (7+5) = 24

3,5,5,6 = 24 --> (3+5/5) x 6 = 24

2,6,6,7 = 24 --> (7-2) x 6 - 6 = 24

1,2,3,8,9 = 36 --> (8-3-2+1) x 9 = 36


Hope it can help you ~



2013-03-20 17:45:12 補充:
3 3 3 3 3 3 3 3 = 10101 @@?

不可能吧~

將它們乘哂,都只是6561 ...

除了可以將它們合併, eg 33,333
參考: me, me
2013-03-24 2:21 am
Brilliant, thanks!
2013-03-23 5:22 pm
333333/33=10101
2013-03-20 4:19 am
1+2+3x8+9=36
Hey you, do you type the question wrong?There's no awy to calcuate 1,2,3 without ()!!!

2013-03-19 20:20:18 補充:
way...not awy...
參考: myself(I am in P.6 maths team)


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