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Fiesta28 [93]
3 years ago
8

17 4 is 21 do i need to regroup

Mathematics
1 answer:
azamat3 years ago
6 0
Yes it is 21 if you're adding. (17 + 4 does equal 21):

kind of because a one has to go on top of the first *1" in 17 which helps you get the result of 21
Like⬇
1
17
+. 4
-------
21

So, firstly we do 7 + 4 which gives you 1, right?

Secondly, we do 1 + 1 which gives you 2, right ? because we had a one on top of the 1 on top of the on in 17

Sorry, if I repeated a step... I'm trying to make you understand the problem / question better
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