упрастите вырожение и ришите пожалусто 4(2-4m)-(6-m)-2(3m+4),tckbm=-0.3 -0.5(1-3n)+4(0.2n-0.1)-(0.1-0.7n),если n=0.21
1) 8-8m-6-m-6m-8 = 2-m = 2-(-0.3)=2+0.3=2.3 2)-0.5+1.5n+0.8n-0.4-0.1+0.7n = 3n-0.6 = 3*0.21-0.6 = 0.03