(20-5 1\6)+(5\6-5\12) решите пж

Question

(20-5 1\6)+(5\6-5\12) решите пж

Comments

5 класс помогитете

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аа как ?

Answer 1

(20-5 1\6)+(5\6-5\12)=1 1/4

1)20-5 1/6=14 5/6
2)5/6-5/12=10/12-5/12=5/12
3)5/6+5/12=10/12+5/12=15/12=1 3/12=1 1/4

Answer 2

= (19 6/6 - 5 1/6) + (10/12 - 5/12) = 14 5/6 + 5/12 = 14 10/12 + 5/12 = 14 15/12 = 15 3/12 = 15 1/4