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roger93
04.02.2020 •
Mathematics
Imagine working with a younger sibling or student who is having trouble with the 9 times table. create an algorithm to the student learn how to do this easily. you may need to use outside resources to you. if you do, make sure to document where you retrieved those sources.
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Ответ:
For example, 9x3 --> 3 put zero to get 30, then subtract 3 to get 27
What you're basically telling the kid is to multiply by 10 and subtract the number after that. But if they were told they were "multiplying by 10" they'd get confused easier, hence putting a zero behind it will help them to multiply by 9.
For us, we're saying:
9*2 = (2*10)-2
Or
9x = (10x)-x
Ответ:
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Step-by-step explanation: