a) \(2,32+x=14,32\)
\(\Rightarrow x=14,32-2,32=12\)
b) \(x+23,1=31,2+3,56\)
\(\Rightarrow x+23,1=34,76\)
\(\Rightarrow x=34,76-23,1=11,66\)
c) \(9,5-x=2,9\)
\(\Rightarrow x=9,5-2,9=6,6\)
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