2357,5732,7523,2573,5327,5237.
<span>25-х=100-60
25-х=40
х=25-40
х=-15</span>
Сначала 12: 4 потом 8:4 = 32
27е38. алврднпр ол н а кг
5 1/4х - 2 2/3 = 1 5/12
5 1/4х = 1 5/12 + 2 2/3 = 1 5/12 + 2 8/12
5 1/4х = 4 1/12
х = 4 1/12 : 5 1/4 = 49 /12 × 4/21 = 7/3 × 1/3
х = 7/9