-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20.
3 1/3×(0,3b-3)-1 1/4×(0,8-4b)=10/3*((3) / (10) b-3) - (5) / (4) * ((4) / (5) -4b) =b-10 - 5/4 * ((4)/(5)-4b)=b-10-1+5b=6b-10-1=6b-11
<em><u>Ответ</u></em><em><u>:</u></em><em><u>3)6b-11</u></em>