Помогите (2 5/6+2 2/9):3 1/4-2/7:1 2/7. Created by arena95. matematika-ru

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arena95 @arena95

August 2022 1 9 Report

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

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IrkaShevko

Verified answer

1) 2 5/6 + 2 2/9 = 2 15/18 + 2 4/18 = 4 19/18 = 5 1/18
2) 5 1/18 : (3 1/4) = 91/18 : 13/4 = 91/18 * 4/13 = 14/9 = 1 5/9
3) 2/7 : (1 2/7) = 2/7 : 9/7 = 2/7 * 7/9 = 2/9
4) 1 5/9 - 2/9 = 1 3/9 = 1 1/3

Ответ: 1 1/3

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reshite sistemu uravnenij x 4y4 2x 2y2

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