(3 5/12+4 7/12)-5 2/9

Question

(3 5/12+4 7/12)-5 2/9

Comments

как?!

Answer 1

( 3 5/12 + 4 7/12) - 5 2/9 =7 5/12 + 7/12 - 5 2/9 = 8 - 5 2/9 = 7 9/9 -  5 2/9 = 2 7/9

Answer 2

Во вложенной картинке

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