(9 12/25 - 8 16/25)- 4 17/25=?

Question

(9 12/25 - 8 16/25)- 4 17/25=?

Comments

а где 9 и 12 там что?

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Answer 1

1) 9 12/25-8 16/25=8 37/25-8 16/25=21/25

21/25-4 17/25= - 4 4/25