金茂云中漫步直接买票:加运算符号,使两边相等。

来源:百度文库 编辑:杭州交通信息网 时间:2024/04/29 23:44:51
在五个5分之1中间加上运算符号使两边相等。
(1)=0 (2)=1 (3)=2 (4)=3
(5)=4 (6)=5

请写出每题的符号。

(1/5-1/5)/(1/5+1/5+1/5)=0
1/5+1/5+1/5+1/5+1/5=1
(1/5+1/5)/1/5+(1/5-1/5)=2
(1/5+1/5)/1/5+(1/5÷1/5)=3
(1/5+1/5+1/5+1/5)÷1/5=4
1/5÷(1/5×1/5)+1/5-1/5=5

(1/5-1/5)/(1/5+1/5+1/5)=0
1/5+1/5+1/5+1/5+1/5=1
(1/5+1/5)/1/5+(1/5-1/5)=2
(1/5+1/5)/1/5+(1/5÷1/5)=3
(1/5+1/5+1/5+1/5)÷1/5=4
1/5÷(1/5×1/5)+1/5-1/5=5

(1/5-1/5)/(1/5+1/5+1/5)=0
1/5+1/5+1/5+1/5+1/5=1
(1/5+1/5)/1/5+(1/5-1/5)=2
(1/5+1/5)/1/5+(1/5÷1/5)=3
(1/5+1/5+1/5+1/5)÷1/5=4
1/5÷(1/5×1/5)+1/5-1/5=5

(1/5-1/5)/(1/5+1/5+1/5)=0
1/5+1/5+1/5+1/5+1/5=1
(1/5+1/5)/1/5+(1/5-1/5)=2
(1/5+1/5)/1/5+(1/5÷1/5)=3
(1/5+1/5+1/5+1/5)÷1/5=4
1/5÷(1/5×1/5)+1/5-1/5=5

(1/5-1/5)/(1/5+1/5+1/5)=0
1/5+1/5+1/5+1/5+1/5=1
(1/5+1/5)/1/5+(1/5-1/5)=2
(1/5+1/5)/1/5+(1/5÷1/5)=3
(1/5+1/5+1/5+1/5)÷1/5=4
1/5÷(1/5×1/5)+1/5-1/5=5
答案不唯一吧

(1/5-1/5)/(1/5+1/5+1/5)=0
1/5+1/5+1/5+1/5+1/5=1
(1/5+1/5)/1/5+(1/5-1/5)=2
(1/5+1/5)/1/5+(1/5÷1/5)=3
(1/5+1/5+1/5+1/5)÷1/5=4
1/5÷(1/5×1/5)+1/5-1/5=5