3,3,7,7, (+,-,x,÷)點先可以等於24
回答 (7)
2007-04-27 6:34 am
(3+3/7)x7=24
2007-04-27 4:04 am
( 3 ÷ 7 + 3 ) x 7 = 24
2007-04-27 12:46 am
應該可以咁：
( 7 x 7 x 3 x 3 - 3 x 3 ) ÷ ( 7 x 3 - 3 )
= ( 441 - 9 ) ÷ 18
= 432 ÷ 18
= 24
( 7 x 7 x 3 x 3 - 3 x 3 ) ÷ ( 7 x 3 - 3 )
= ( 441 - 9 ) ÷ 18
= 432 ÷ 18
= 24
2007-04-27 12:23 am
答案係不可能～４個數(+,-,x,÷)點到唔可以～
除非得三個數．．．３ｘ７＋３＝２１
除非得三個數．．．３ｘ７＋３＝２１
收錄日期: 2021-04-19 23:17:23
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