In February of the land, from the consideration.
* 5 1 6 l+Il/s=21/s 28/n 6 0 0 0 B 1 2V.+2V, 1 2+lV,=3Vs Is/, 6 0 0 A 60+60=120 10+5=16 8 120 0 0 B 60+60=120 12+ 9 =21 8 168 48 20+28 C 60+60=120 14+17V,=31V, 6 189 69 42+27 D 60+ 60=120 18+18=36 71/* 270 150 5x30 450 15x30 Variant 2: Productivity of the product.