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
2010-08-20 5:35 am
As supplementary:
-8 x 9 / (7-10) < just for tricky~_~
2010-08-20 4:14 am
=.=
TRIAL AND ERROR

而且, 通常都係 8.3 6.4
8 / 1/3 都得
2010-08-20 3:32 am
8x9 ÷(10- 7)

= 72÷3

= 24
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?
2010-08-20 2:22 am
8*9/(10-7)


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