( 2.34 * 6.8 - 6.793 ) * 0.4 + 1.3252 = 4.6728
1) 2.34 * 6.8 = 15.912
2) 15.912 - 6.793 = 9.119
3) 9.119 * 0.4 = 3.6476
4) 3.6476 + 1.3252 = 4.6728
1525/2.5*3.3=610*3.3=2013 рублей
-0,5+1,5n+0.8n-0.4-0.1+0.7n
-0.5+3n-0.4-0.1
-0.5+(3*0.21)-0.4-0.1
-0.5-0.63-0.4-0.1=0.63