1. 3*5*6 = 90 м³
2. (10х - 25) * 2.4 = 12
24х - 60 = 12
24х = 72
х = 3
3. 84/(3/8) = 224
224/80% = 280
1. 3*5*6 = 90 м³
2. (10х - 25) * 2.4 = 12
24х - 60 = 12
24х = 72
х = 3
3. 84/(3/8) = 224
224/80% = 280