Автор - tim0511

- Решите уравнение:
а) 37x = 259; г) (38 + b) : 12 = 840;
б) 252 : у = 21; д) 140р — 30) = 630;
в) 2 : 18 = 6; е) (43 – s) : 17 = 289.
525. ​

Ответ

Автор - сок111213

37x = 259 \ x =  frac{259}{37}  \ x = 7

(38 + b) div 12 = 840 \ 38 + b = 840 times 12 \ 38 + b = 10080 \ b = 10080 - 38 \ b = 10042

252 div y = 21 \ y = 252 div 21 \ y = 12

140p - 30 = 630 \ 140p  = 30 + 630 \ 140p = 660 \ p = 660 div 140 \ p = 4 frac{5}{7}

(43 - s) div 17 = 289 \ 43 - s = 17 times 289 \ 43 - s = 4913  \ s = 43 - 4913 \ s =  - 4870

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