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katia28
@katia28
July 2022
2
7
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помогите решить пример ПОЖАЛУЙСТА!!!
(2,3+5,8)*3 5/7
(4,9-2,3):7/9
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sofia78
8,1*5
равно
40,5
равно(405/10) * (70/272)равно 2835/272
2,6*9/7 272/70
наверное так
2 votes
Thanks 2
Олег200203
( 2,3+ 5,8)* 3 5/7= 8 1/10* 3 5/7= 1053/35=30 3/35
( 4,9- 2,3): 7/9= 2 3/5* 9/7= 13/5* 9/7=117/35= 3 12/35
30 3/35: 3 12/35= 1053/35*35/117= 1053/117= 9
Ответ:9
3 votes
Thanks 5
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Answers & Comments
2,6*9/7 272/70
наверное так
( 4,9- 2,3): 7/9= 2 3/5* 9/7= 13/5* 9/7=117/35= 3 12/35
30 3/35: 3 12/35= 1053/35*35/117= 1053/117= 9
Ответ:9