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cushniа
@cushniа
November 2021
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(3,8(3)-2,(54)*11/28):2,(3)
* цифры (3) (54) (3) это типо бесконечные, типо как 2,3333333
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sedinalana
Verified answer
1)3,8(3)=3 5/6
х=3,8(3)⇒10х=38,(3)
у=38,(3)⇒10у=383,(3)⇒9у=383(3)-38,(3)=345⇒у=345/9
х=345/90=69/18=3 15/18=3 5/6
2)2,(54)=2 6/11
х=2,(54)⇒100х=254,(54)⇒99х=254(54)-2,(54)=252⇒х=252/99=
=28/11=2 6/11
3)2,(3)=2 1/3
х=2,(3)⇒10х=23,(3)⇒9х=23,(3)-2,(3)=21⇒х=21/9=7/3=2 1/3
----------------------------------------------------------
1)2 6/11*11/28=28/11*11/28=1
2)3 5/6-1=2 2/6
3)2 5/6:2 1/3=17/6*3/7=17/14=1 3/14
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Verified answer
1)3,8(3)=3 5/6х=3,8(3)⇒10х=38,(3)
у=38,(3)⇒10у=383,(3)⇒9у=383(3)-38,(3)=345⇒у=345/9
х=345/90=69/18=3 15/18=3 5/6
2)2,(54)=2 6/11
х=2,(54)⇒100х=254,(54)⇒99х=254(54)-2,(54)=252⇒х=252/99=
=28/11=2 6/11
3)2,(3)=2 1/3
х=2,(3)⇒10х=23,(3)⇒9х=23,(3)-2,(3)=21⇒х=21/9=7/3=2 1/3
----------------------------------------------------------
1)2 6/11*11/28=28/11*11/28=1
2)3 5/6-1=2 2/6
3)2 5/6:2 1/3=17/6*3/7=17/14=1 3/14