Решите уравнения:
3 2/5:х=6 4,5:(3х)=4:28; 5х-3=1/2.

3 2/5 : x = 6x = 3 2/5 : 6x = 17/5 * 1/6 x = 17/304,5 : 3x = 4/289/2 : 3x = 1/73x = 9/2 * 73x = 63/2x = 63/2 * 1/3x = 21/2 или 10,55х - 3 = 1/25х = 1/2 + 35х = 7/2х = 7/2 * 1/5х = 7/10 или 0,7