1435:7
4535:5
1680:8
75250:25
1400:7+35:7
4000:2+600:2+28:2
8000:8+400:8+400:8+32:8
1600:8+80:8
900:6+36:6
75000:25+250:25
4500:5+35:5
1700:5+100:5+25:5=