Предмет: Математика, автор: Polinchasik

решить уравнение:
а) x:17=17,
б)84:y=14
решить в столбик:
19735000:100
29580:85
СРОЧНО!!!!!!​


Polinchasik: извинете я забыла ещё одно уравнение (73-5z):4=12

Ответы

Автор ответа: danilzaripov0
0

Ответ:

А) х:17=17

х=17*17=289

проверка:289:17=17

Б)84:y=14

y=84:14=6

проверка:84:6=14

1)19735000/100

197.

973.

735 /19735

350

500


danilzaripov0: второй потом
Polinchasik: я пирепутала примеры
Автор ответа: faith99
1

Уравнение.

а) x:17=17 б)84:y=14

x=17×17 y=84:14

x=189 y=6

_________ __________

189:17=17 84:6=14 Примеры.

_19735000|100 29580|85

1 |197350 _255 |348

_9 _408

9 340

_7 _680

7 680

_3 0

3

_5

5

0

В первом примере у 100 зачеркиваем 2 нуля и у 19735000 тоже зачеркиваем два нуля.

(73-5z):4=12

73-5z=12:4

73-5z=3

5z=73-3

5z=70

z=70:5

z=14

____________

(73-5×14):4=12

12=12

_416765|95

380 |4387

_367

285

_826

760

_665

665

0


Polinchasik: я забыла один пример (73-5z):4=12
Polinchasik: я перепутала примеры
danilzaripov0: ща ришим
danilzaripov0: через 10 минут
Polinchasik: 416765:95
faith99: хорошо щас решу)
faith99: я решила и упражнение и пример
faith99: уравнение
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