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Download "Изучаем математику с нуля / Урок № 7 / Умножение и деление на ноль"

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Video tags

математика
математика с нуля
математика 3 класс
математика 4 класс
уроки по математике
уроки математика
школа
образование
саморазвитие
Умножение и деление на ноль
урок
3класс
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  • ruRussian
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00:00:00
[music]
00:00:32
welcome you to my channel we
00:00:35
continue to study mathematics the topic of
00:00:38
today's lesson is
00:00:39
multiplication and division by zero we
00:00:43
will often come across examples where we will need to
00:00:46
use
00:00:47
multiplication operations or division by zero
00:00:51
so we must learn to solve such
00:00:55
examples and in order to start doing this we
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must learn with you
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some rules let's imagine that
00:01:03
this is any number if we multiply any number
00:01:08
by 0 we get 0 if we
00:01:12
multiply 0 by any number
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we also get 0 if we divide 0 by
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any number we get 0 and but we
00:01:24
cannot divide by zero under what conditions is this
00:01:28
prohibited in such cases they write that there
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is no answer let's now solve
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a few examples the
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first 8
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set plus 5 multiplied by 0 minus 30 equals
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80 plus 5 multiplied by 0 is zero minus
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30 is equal to 80 plus 0 is 80 means 80
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minus 30 is 50 let's go further 18 minus 0
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divided by 2 plus
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111 divided by zero equals
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let's look at
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this example carefully
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and we see that here 111 divided by zero
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and as soon as we see that there is a division
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by zero, then the example cannot be solved and we
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write that the
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answer
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but no, the following third example is 42
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divided by 7 minus 6 multiplied by 5000
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917 equals the parentheses, open 42
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divided by 7 and it will be 66
00:03:15
minus 6 multiplied by 5000
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917 equals 6 minus 6 will be 0 and 0
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multiplied by any number will give zero and
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therefore we write down the answer with you 0 and
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the last 4
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are, by tradition, a much more complex
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example
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73 minus 13 multiplied by 5 plus 64
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divided by 4 minus 16 divided by 6
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divided by 2
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let's remember what
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the sequence of actions should be here:
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start the left parenthesis then the right one
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division subtraction then multiplication from left to
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right
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division division and at the very end of addition
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we start 73 -13 will be 60 multiplied by 5
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plus 6
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4 divided by four will be 16 minus 16
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divided by 6
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divided by 2 then the
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first action second third fourth
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and fifth we write 60 multiplied by 5 plus
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new divide by 6 divide by 2 equals
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60 multiply by 5 will be 300 plus 0
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divide by 6 divide by 2 first
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actions second action third actions
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300 plus if we divide 0 by any number
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we get zero plus zero divide by 2
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equals 1 action second action
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write 300 plus 0 divided by two again
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will be 0 300 plus 0 it turns out that sheet
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example is solved
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thank you all for watching don’t forget
00:06:19
to subscribe to the channel bye everyone
00:06:23
[music]

Description:

На этом уроке мы узнаем, что происходит, когда мы умножаем или делим на ноль, а также когда ноль умножаем или делим на любое другое число. Ноль - это число, которое обозначает ничто. Если у нас нет ни одного яблока, то мы можем сказать, что у нас ноль яблок. В математике ноль используется, чтобы показать отсутствие чего-либо. Интересно, что когда мы умножаем что-то на ноль, результат всегда будет нулем. И когда мы делим что-то на ноль, мы не можем получить определенный ответ, потому что нельзя разделить что-то на "ничто". Важно понимать, что эти правила применяются в математике всегда, и мы научимся использовать их в решении различных задач. Поддержка канала: ✔ Станьте спонсором канала https://www.youtube.com/channel/UC7jP2iV4NXXFtx2lab2ToQg/join ✔ https://new.donatepay.ru/@BeginStudy

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