Question

用加减乘除四个符号填0.2( )0.2( )0.2( )0.2( )0.2=0

不能有括号

Answer 1

用括号很容易就可以得出0*后面一串=0
(0.2/0.2+0.2) *（0.2-0.2）=0
如果不能用括号，不知这样可否，将0.2-0.2上移成幂指数
0.2-0.2
0.2 - 0.2 / 0.2 =0

Answer 2

0.2÷0.2×（0.2-0.2）=0

Answer 3

(0.2-0.2)×0.2÷(0.2+0.2)=0

Answer 4

（0.2-0.2）*0.2*0.2*0.2