Автор - DmitryMalfoys

y-27=45

37+x=64

63-(25+x=26

9× 63 - 515:5=

36 × (258+246):129=

Ответ

Автор - potato12382

Пошаговое объяснение:

y - 27 = 45 \ y = 45 + 27 \ y = 72

37 + x = 64 \ x = 64 - 37 \ x = 27

63 -(25 +x) = 26 \ 63 - (25 + x) - 26 = 0 \  - (25 + x) =  - 37 \  - 25 - x =  - 37 \  - x =  - 37 + 25 \  - x =  - 12 \ x = 12

9 times 63 - 515:5 = 567 - 103 = 464

36×504:129=36×504/129=12×504/43=6048/43=140 28/43

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