(1 2/7 : 2 4/7 - 2/5 * 5/6) + 2 2/5 : 2 2/15=?

Question

(1 2/7 : 2 4/7 - 2/5 * 5/6) + 2 2/5 : 2 2/15=?

Comments

= 1 7/24

Answer 1

См. в приложении.
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