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VashaNatasha [74]
3 years ago
5

I don't know how to do this . Comment bellow to help my please

Mathematics
1 answer:
Lorico [155]3 years ago
4 0
4a. 99m + 81 = 130m. 4b. 40 + 30z = 70z

5a. 24v + 18 = 41v. 5b. 12c + 16 = 28c

6c. 44 + 48v= 92v. 6b. 40 + 12s = 52s.
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Write two expressions to show a number increased by 11. Then, draw models to prove that both expressions represent the same thin
ioda

Answer:

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Step-by-step explanation:

Let n be the unknown number,

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By the commutative property of addition,

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For drawing a model that shows n + 11

Take two boxes in which first shows n and second shows 11 and add them,

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