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floring99
4

(12 5/12 + 1 2/3 - 3 5/6+2 3/4): (2 1/2 ×2/5 - 7/9)

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vladalexia

(125/12+48/12-70/12+69/12):(105/10×4/10 -7/9) 172/12:(420/10-7/9) 172/12 : (42 -7/9) 43/3 : (378/9 -7/9) 43/3 : 371/9 43/3 × 9/371 129/371

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