решите пожалуйста!!!! (1 2/9 + 1 1/6) * (2-1 25/42) = ?. Created by alyonavetrova. matematika-ru

42) = ?...

alyonavetrova @alyonavetrova

July 2022 1 12 Report

решите пожалуйста!!!!
(1 2/9 + 1 1/6) * (2-1 25/42) = ?

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fanta2310

Verified answer

(1 2/9 + 1 1/6) * (2 - 1 25/42) = 731/756
1) 1 2/9 + 1 1/6 = 1 4/18 + 1 3/18 = 2 7/18
2) 2 - 1 25/42 = 1 42/42 - 1 25/42 = 17/42
3) 2 7/18 * 17/42 = 43/18 * 17/42 = 731/756

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