1) (4 6 2/9 - 25) - ( 11 9/7 -2/3) = 2) ( 6 9/14 - 1/8) - ( 1 -5/7 ) = -Вычислить 3) (...

Question

1) (4 6 2/9 - 25) - ( 11 9/7 -2/3) =
2) ( 6 9/14 - 1/8) - ( 1 -5/7 ) = -Вычислить
3) ( 14 9/16 - x ) - 1 2/5 = 6 3/4

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Answer 1

 (4 6 2/9 - 25) - ( 11 9/7 -2/3)=(416/9-25)-(86/7-2/3)=191/9-244/21=605/63=9 38/63

Comments

( 6 9/14 - 1/8) - ( 1 -5/7 )=(93/14-1/8)-2/7=365/56-2/7=349/56=6 13/56

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а где 1 2 3 как разобрать?

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of

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ща

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1) (4 6 2/9 - 25) - ( 11 9/7 -2/3)=(416/9-25)-(86/7-2/3)=191/9-244/21=605/63=9 38/63

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2) ( 6 9/14 - 1/8) - ( 1 -5/7 )=(93/14-1/8)-2/7=365/56-2/7=349/56=6 13/56