10!/ 3!(10-3)!= =1•2•3•4•...•10/1•2•3•1•2•3•..•7=
= 8•9•10/1•2•3= 720/6= 120
Ответ: 120 способами.
170020 г = 170,02 кг
170020 кг = 170020000 кг
2340/5400=0,4(3)
0,4(3)*100=43,(3)
2800х5%=140
2800-140=2660 х5%= 133
2660-133=2527х5%= 126.35
2527-126.35= 2400.65х5%=120.03
2400.65-120.03=2280.62х5%= 114.03
2280.62-114.03=2166.59х5%= 108.33
2166.59-108.33=2058.26х5%=102.91
2058.26-102.91=1955.35х5%=97.77
1955.35-97.77=1857.58