题目

在( )中填入符号+、—、*、/和括号,使下面算式的答案分别是0,0.2,0.4,0.6,0.8,1.
0.2(　）0.2(　）0.2(　）0.2(　）0.2=0
0.2(　）0.2(　）0.2(　）0.2(　）0.2=0.2
0.2(　）0.2(　）0.2(　）0.2(　）0.2=0.4
0.2(　）0.2(　）0.2(　）0.2(　）0.2=0.6
0.2(　）0.2(　）0.2(　）0.2(　）0.2=0.8

提问时间：2020-12-01

答案

[0.2(-）0.2](*）0.2(+）0.2(-）0.2=0
0.2(+）0.2(+）0.2(-）0.2(-）0.2=0.2
0.2(/）0.2(-）0.2(-）0.2(-）0.2=0.4
0.2(/）0.2(*）0.2(+）0.2(+）0.2=0.6
0.2(/）0.2(+）0.2(-）0.2(-）0.2=0.8