найдите значение выражения 8-3/6/7
2/1/8+3/5/12
5/13/15+1/7/12
7/3/8 -3/5/6

8-³/₆/7 =8-¹/₂/7 =7¹/₂:7=¹⁵/₂:⁷/₁=¹⁵/₂×¹/₇= ¹⁵/₂ₓ₇=¹⁵/₁₄=1¹/₁₄2/¹/₈+³/₅/12 =4+¹/₂₀=4¹/₂₀ =4,05⁵/₁₃/15+¹/₇/12 =¹/₃₉+¹/₈₄=⁸⁴⁺³⁹/₃₂₇₆=¹²³/₃₂₇₆=¹¹/₁₀₉₂7/³/₈ -³/₅/6=⁵⁶/₃-¹/₁₀=⁵⁶ˣ¹⁰/₃₀-¹ˣ³/₃₀=⁵⁶⁰/₃₀-³/₃₀=⁵⁵⁷/₃₀=18¹⁷/₃₀