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4.5 1. 4/5+1/6 23 2/3-15 5/9 45/58-1/2. (−13,6+5,1)−1 17 3 +(2 23 7 −1 46 45 )÷1 23 7. 3+2 3/15. 5/9 От 45.
4/5+1/6 23 2/3-15 5/9 45/58-1/2. (−13,6+5,1)−1 17 3 +(2 23 7 −1 46 45 )÷1 23 7. 3+2 3/15. 5/9 От 45.

See also