7,8,9,10依四個數學計到24!!(今日要答案!)

2010-08-20 2:16 am

可以用加,減,乘,除同括號.話我知7,8,9,10點先計到個答案係24?
要式!thx

回答 (6)

2010-08-20 2:20 am

✔ 最佳答案

8 x 9 / (10 - 7)

= 72/3

= 24

2010-08-19 18:38:05 補充：
try and error

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2010-08-20 5:35 am

As supplementary:
-8 x 9 / (7-10) < just for tricky~_~

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2010-08-20 4:14 am

=.=
TRIAL AND ERROR

而且, 通常都係 8.3 6.4
8 / 1/3 都得

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2010-08-20 3:32 am

8x9 ÷(10- 7)

= 72÷3

= 24

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2010-08-20 2:28 am

To ☂雨後陽光☀ :
你點樣THINK出來??係唔係有特別方法?

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2010-08-20 2:22 am

8*9/(10-7)

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