Ответ:
x/18 = 1/9/8 (не пугайтесь, 1/9/8 = 1/9×1/8 = 1×1/9×8 = 1/72)
x/18 = 1/72
72x = 18
x = 18/72
x = 1/4
(/- дробь)
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Ответ:
x/18 = 1/9/8 (не пугайтесь, 1/9/8 = 1/9×1/8 = 1×1/9×8 = 1/72)
x/18 = 1/72
72x = 18
x = 18/72
x = 1/4
(/- дробь)