在5个4分之1间加上适当的运算符号使他们等于0 、1、2、3

问题描述:

在5个4分之1间加上适当的运算符号使他们等于0 、1、2、3

(1/4-1/4)*1/4*1/4*1/4=0
(1/4)/(1/4)+(1/4-1/4)*1/4=1
(1/4+1/4)/(1/4)+1/4-1/4=2
(1/4)/(1/4*1/4)-(1/4)/(1/4)=3

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

(1/4+1/4-1/4-1/4)x1/4=0
(1/4+1/4)/1/4+1/4-1/4=2
1/4/1/4/1/4-1/4/1/4=3
(1/4+1/4)/1/4-(1/4/1/4)=1

1/4-1/4+1/4-1/4=0
1/4+1/4+1/4+1/4=1
(1/4)/(1/4)+(1/4)/(1/4)=2
(1/4+1/4+1/4)/(1/4)=3

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