利用四個3和四則運算符號 +,--,×,÷和括號,寫出兩條不同而結果都是1的數式
例:3-(3+3)÷3=1
寫出兩條(邊個可以教下我?唔該)
呢題數我唔識做,有邊個可以教下我?唔該
2008-07-17 5:26 pm
回答 (4)
2008-07-17 5:30 pm
✔ 最佳答案
3/3/(3/3)3x3/3/3
其實還有更多。
如
(3+3-3)/3
利用以下規律，可以再多作三條，請自行研究。
規律是
+-/
-+/
x//
/x/
等等
2008-07-17 9:59 pm
1. (3+3) / (3+3)
2. (3 *3) / (3*3)
3. (3+3/3)-3____________OK
4. (3-3+3)/3____________OK
5. (3/3)/(3/3)
6 3-3 + (3/3)___________OK
7. 3 -(3-3/3)
8. 3/3 -3+3 ____________OK
9. 3- (3+3)/3 ___________OK
10. 3-(3+3)/3 ___________OK
2. (3 *3) / (3*3)
3. (3+3/3)-3____________OK
4. (3-3+3)/3____________OK
5. (3/3)/(3/3)
6 3-3 + (3/3)___________OK
7. 3 -(3-3/3)
8. 3/3 -3+3 ____________OK
9. 3- (3+3)/3 ___________OK
10. 3-(3+3)/3 ___________OK
2008-07-17 5:41 pm
1. 4-(2ｘ1)+1=3
2. 10+(5-4)ｘ2=12
就係敢!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
2. 10+(5-4)ｘ2=12
就係敢!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
2008-07-17 5:33 pm
1. (3-3)+3÷3=1
2. (3+3-3)÷3=1
2. (3+3-3)÷3=1
收錄日期: 2021-04-15 17:05:30
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https://hk.answers.yahoo.com/question/index?qid=20080717000051KK00534