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Сергей133733
@Сергей133733
July 2022
1
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решите пример с помощью действий 23:(6 5/7+1 12/17)-(4 2/5-2 3/5):5
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Amigo3
1)
(4 2/5-2 3/5):5=(4,4-2,6):5=0,36
2)
23:(6 5/7+1 12/17)=23:(47/7+29/17)=23:((47*17+29*7)/(7*17))=23*119/1002=2737/1002.
3) 2737/1002-0,36=(2737*100-36*1000)/100200=237700/100200=2377/1002=2 373/1002.
Ответ:
2 373/1002.
2 votes
Thanks 2
Сергей133733
спасибо
Amigo3
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Answers & Comments
2) 23:(6 5/7+1 12/17)=23:(47/7+29/17)=23:((47*17+29*7)/(7*17))=23*119/1002=2737/1002.
3) 2737/1002-0,36=(2737*100-36*1000)/100200=237700/100200=2377/1002=2 373/1002.
Ответ: 2 373/1002.