выполните действия: (6 5/8 -1/2)-(5 3/4-2 1/6)+(9 5/8-7 1/3) (5 1/30-2 3/5-2/15+6)-(7-6 11/12+1/4). Created by vfqz. matematika-ru

4)...

July 2022 2 0 Report

выполните действия:
(6 5/8 -1/2)-(5 3/4-2 1/6)+(9 5/8-7 1/3)
(5 1/30-2 3/5-2/15+6)-(7-6 11/12+1/4)

anna019010 (6 5/8 - 1/2) - (5 3/4 - 2 1/6) + (9 5/8 - 7 1/3) = (53/8 - 1/2) - (23/4 - 13/6) + (77/8 - 22/3) = ((53-4)/8) - ((69-26)/12) + ((231-176)/24) = 49/8 - 43/12 + 55/24 = ((147-86+55)/24) = 116/24 = 4 20/24 = 4 5/6

5 votes Thanks 8

anna019010 (5 1/30 - 2 3/5 - 2/15 + 6) - (7 - 6 11/12 + 1/4) = (151/30 - 13/5 - 2/15 + 6/1) - (7/1 - 83/12 + 1/4) = ((151-78-4+180)/30) -

anna019010 - ((84-83+3)/12) = 249/30 - 4/12 = (996-40)/120 = 956/120 = 7 116/120 = 7 29/30

Лерочка20051 Получиться 4 5/6 во всем действиии

2 votes Thanks 4

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