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у-[tex] \frac{3}{4} [/tex]=[tex] \frac{3}{5} [/tex]-[tex] \frac{1}{4} [/tex]
у-[tex] \frac{3}{4} [/tex]=[tex] \frac{3}{5} [/tex]-[tex] \frac{1}{4} [/tex]
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Verified answer
У=3/5-1/4+3/4у=12/20-5/20+15/20
у=22/20=1 2/20 =1,1