8\15к+1\5к-1\3к при к =3,5

Question

8\15к+1\5к-1\3к при к =3,5

Answer 1

(8/15)*(35/10)+(1/5)*(35/10)-(1/3)*(35/10)=280/150+35/50-35/30=(280+35*3-35*5)/150=210/150=1,4