х тонн-на первом складе
2.5х тонн-на втором складе.
х+180=2.5х+60
2.5х-х=180-60
1.5х=120
х=120:1.5
х=80тонн-на первом складе.
2.5х=2.5*80=200тонн-на втором складе.
68 + 7 = 68 + 2 + 5 = 70 + 5 = 75
68 + 7 = 60 + 8 + 7 = 60 + 15 = 75
2)
75 + 7 = 75 + 5 + 2 = 80 + 2 = 82
75 + 7 = 70 + 5 + 7 = 70 + 12 = 82
3)
62 + 9 = 62 + 8 + 1 = 70 + 1 = 71
62 + 9 = 60 + 2 + 9 = 60 + 11 = 71
4)
29 + 6 = 29 + 1 + 5 = 30 + 5 =35
29 + 6 = 20 + 9 + 6 = 20 + 15 = 35
5)
84 + 9 = 84 + 6 + 3 = 90 + 3 = 93
84 + 9 = 80 + 4 + 9 = 80 + 13 = 93
6)
39 + 4 = 39 + 1 + 3 = 40 + 3 = 43
39 + 4 = 30 + 9 + 4 = 30 + 13 = 43
7)
78 + 8 = 78 + 2 + 6 = 80 + 6 = 86
78 + 8 = 70 + 8 + 8 = 70 + 16 = 86
8)
63 + 8 = 63 + 7 + 1 = 70 + 1 = 71
63 + 8 = 60 + 3 + 8 = 60 + 11 = 71
9)
57 + 5 = 57 + 3 + 2 = 60 + 2 = 62
57 + 5 = 50 + 7 + 5 = 50 + 12 = 62
10)
86 + 7 = 86 + 4 + 3 = 90 + 3 = 93
86 + 7 = 80 + 6 + 7 = 80 + 13 = 93