Пошаговое объяснение:
а)
3/5х = 1
х = 1 : 3/5
х = 1 * 5/3
х = 5/3
х = 1 2/3
б)
3/7х = 1/2
х = 1/2 : 3/7
х = 1/2 * 7/3
х = 7/6
х = 1 1/6
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Пошаговое объяснение:
а)
3/5х = 1
х = 1 : 3/5
х = 1 * 5/3
х = 5/3
х = 1 2/3
б)
3/7х = 1/2
х = 1/2 : 3/7
х = 1/2 * 7/3
х = 7/6
х = 1 1/6