а) 25/80+45/60
б)36/300+12/40-350/1000
в)42/120+20/32-28/160
г)20/45+26/54
д)14/24-39/90+15/100
е)45/72-33/144-20/64
б)36/300+12/40-350/1000
в)42/120+20/32-28/160
г)20/45+26/54
д)14/24-39/90+15/100
е)45/72-33/144-20/64
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Answers & Comments
б)7/100
в)4/5
г)25/27
д)3/10
е)1/12