Ответ:
1) 1/2x = 1
x = 1 / 1/2
x = 2
2) 3 2/5 = 1
x = 1 / 17/5
x = 5/17
3) 2/13 = 1
x = 1 / 2/13
x = 13/2
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Ответ:
1) 1/2x = 1
x = 1 / 1/2
x = 2
2) 3 2/5 = 1
x = 1 / 17/5
x = 5/17
3) 2/13 = 1
x = 1 / 2/13
x = 13/2