Question

Directions: Use the properties of addition to solve the following.
1. 1+2+3+...+9+10 =
2. (49+63)+51=
3. 15+38+47+62+53=
4. 999+999+999+999+999 =
5.809+803+806+801+807+804=​

Answer 1

Answer:

1. 55
2. 163
3. 215
4. 4995
5. 4830

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Answer 2

Answer:

1)55

2)163

3) 215

4)4995

5) 4830

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