用加减乘除或括号将4个二分之一连接起来,使计算结果等于4

问题描述:

用加减乘除或括号将4个二分之一连接起来,使计算结果等于4

(1/2)÷(1/2)÷(1/2)÷(1/2)=4

(1/2+1/2)/(1/2*1/2)

就是连续的做除法就行,
(1/2) / (1/2) / (1/2) / (1/2) = (1/2) * 2 * 2 * 2 = 4
第一个除号也可以换成加号,并加上括号,就是
(1/2 + 1/2) / (1/2) / (1/2)
= 1 / (1/2) / (1/2) = 4
都行.

(1/2+1/2)÷1/2×1/2=4