Нок(51,48)= 2•6•4•3•17=2348
Д)245:7-224:16+35*11=35-14+35*11=21+35*11=21+385=406
е)322:23*70-161*9:69=14*70-1449:69=980-21=959
ж)315:(162+12*24-11*39)+558:31=315:(162+288-429)+18=(450-429)+18=21+18=39
з)(24*7-377:29)*(2378:58-38)=(168-13)*(41-38)=155*3=465
3кг купили за 97.2р, значит 1 кг стоит:97.2/3=32.4р
Ответ:32 рубля 40 копеек
1. Before you cross the road look both ways.
2. Don't cross parket between cars.
3. Don't ride against traffic.
4. Wear a bicycle helmet.
5. Stand on the pavement.