✔ 最佳答案
[2+2]與[2×2],答案相同. 請你尋找出另外能獲得相同答案的數目.小數或分數均可.
A+B=C
A×B=C
ans:類此的數目很多,只是多數人没有發覺.則 B=A÷(A-1)即可.
例如: 3+1.5 = 4.5
3×1.5 = 4.5
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小明爸爸用不同的材料接駁了一條繩子.繩子每段的用料都不同,燃燒所需的時間也不同,但燒完整條繩子的時間剛好是一小時. 小明爸爸怎樣利用該條繩子,來量出半小時的時間?
ans:同時燃燒繩子的兩端,30分鐘後,繩子剛好燒完
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子建媽媽有3個盒子,她把蛋糕藏在其中一個盒子裏,並在每個盒子上貼上一道提示.
大盒子的提示是:蛋糕不在這裏;
中盒子的提示是:蛋糕不在這裏;
小盒子的提示是:蛋糕在大盒子裏.
原來這些提示中,只有一道是正確的,結果子建不用打開盒子,就能知道蛋糕的位置.你知道蛋糕藏在哪個盒子裏嗎?
ans:答案是在中盒子裏.
由於大盒子和小盒子的提示互相矛盾, 所以當中必定有一道是真,一道是假.因此中盒子的提示必定是假的,蛋糕是藏在中盒子裏.
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2006-10-26 18:42:57 補充:
1=52=253=1254=6255=??ans:1because 1=5 then 5=1