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lana [24]
3 years ago
14

Draw an area model and then solve using the standard algorithm

Mathematics
1 answer:
Serggg [28]3 years ago
4 0

Answer:

well if your asking for 21 x 23 its 483

Step-by-step explanation:

Hi if the awnser for the equation is not the anwser your looking for please comment so I can help you with something else and here how you get the anwser you can break 21 and 23 down so 20 +1 and 20+ 3 then these steps or array.

20x20=400

20x1=20

20x3=60

3x1=3

Now add those numbers together you get 483

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