Предмет: Математика, автор: yahutinaolya201075

составь и реши уравнением. света вычла из 1098 задумонное число. результат увеличила в 13 раз и получила разность чисел 28776 и 20456. какое число задумала света?​


ratmirismagilov07: Спасибо
mikhailgirsh00721: Спасибо
stets2010: (1098-х)×13=28776-20456
1098-х=8320÷13
1098-х=640
Х=1098-640
Х=458
Mz190532: Спасибо

Ответы

Автор ответа: gal4enok0071
100
Как то так! Надеюсь помогла!
Приложения:

aliyabijanova: 1098-х×13=28776-20456
aliyabijanova: 1098-х=8320÷13
aliyabijanova: 1098-х=640
aliyabijanova: Х=1098-640
aliyabijanova: Х=458
Автор ответа: vitaminkaask
48

Ответ:

1738

Пошаговое объяснение:

(1098-х)*13=28776-20456

-13х+14274=8320

-13х=-5954

х=458

проверка:

1098-458=640

640*13=8320

разность чисел 28776-20456=8320

8320=8320

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