\(\dfrac{1}{4}:0,25-\dfrac{1}{8}:0,125+\dfrac{1}{2}:0,5-\dfrac{1}{10}:0,1\)
\(=0,25:0,25-0,125:0,125+0,5:0,5-0,1:0,1\)
\(=1-1+1-1\)
\(=0+0=0\)
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