问题描述:
用加减乘除括号符号做
1/3()1/3()1/3()1/3=2
1/3()1/3()1/3()1/3=6
1/3()1/3()1/3()1/3=3
1/3()1/3()1/3()1/3=9
1/3()1/3()1/3()1/3=0
1/3()1/3()1/3()1/3=1
1/3()1/3()1/3()1/3=2
1/3()1/3()1/3()1/3=6
1/3()1/3()1/3()1/3=3
1/3()1/3()1/3()1/3=9
1/3()1/3()1/3()1/3=0
1/3()1/3()1/3()1/3=1
问题解答:
我来补答展开全文阅读