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reginochka33
reginochka33
23.09.2021 08:52 •  Математика

Масса арбуза и дыни 12 кг а масса дыни 5 кг ,чему равна масса арбуза​

👇
Ответ:
xhhxjdjdj4
xhhxjdjdj4
23.09.2021

7 кг

Пошаговое объяснение:

12 - 5 = 7 (кг) - масса арбуза

4,6(41 оценок)
Ответ:
RAMINA1903
RAMINA1903
23.09.2021

ответ: Масса арбуза - 7 кг.

Пошаговое объяснение: У нас есть арбуз и дыня. Вместе они весят 12кг. Тогда, если дыня весит 5кг, остальные килограммы это арбуз.

12-5=7(кг)

4,7(25 оценок)
Открыть все ответы
Ответ:
Дед - он дед внуку и отец своему сыну - отцу внука.
Два отца - этот дед (отец отца) и отец (отец сына-внука).
Два сына - отец (отец сына-внука) и сам сын-внук.

Сыну - "х" лет. Его отцу - "х + 25" лет, Деду - " х + 25 + 25" лет. Всем вместе - 90 лет. У нас получается уравнение:
х + х + 25 + х + 25 + 25 = 90
3х + 75 = 90
3х = 90 - 75
3х = 15
х = 15 : 3 = 5 (лет) - столько лет сыну-внуку.
х + 25 = 5 + 25
х + 25 = 30 (лет) - столько лет отцу.
х + 25 + 25 = 5 + 50
х = 55 (лет) - столько лет деду.

ответ: всего было 3 крокодила; им было: 5, 30, 55 лет.
4,4(80 оценок)
Ответ:
tseng7788
tseng7788
23.09.2021

Пошаговое объяснение:

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4,6(44 оценок)
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