0.20.20.20.20.20.2 = 1, fill in the operation symbol and bracket, fast,

0.2+0.2+0.2+0.2+0.2=1

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1. 0.2 () 0.2 () 0.2 () 0.2 () 0.2 = 0
2. 0.20.20.20.20.20.2 = 0.8 fill in the operation symbol and bracket
3. Would you please fill in the operation symbols in brackets with 0.25 () 0.25 () 0.25 () 0.25 = 0.125
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