11/24х-5/8=2 7/12;
11/24х=2 7/12=5/8;
11/24х=2 14/24+12/24;
11/24х=3 5/24;
х=3 5/24:11/24;
х=7.
7 + 2 6 + 4 8 + 3 6 + 3 9 + 2 2 + 6 = 9 + 10 11 + 9 11 + 8 = 19 + 20 11 + 8 = 39 + 19 = 58
240 м-123 м= 117м по т. Бандеры
2*30=60
4*200=800
90*5=450
100*6=600