Question

estimates
1. 215 + 436
2. 1,238 + 4,298
3. 15,409 + 3,288
4. 618 + 561 + 372
5. 869 - 341
6. 8,565 - 4,341
7. 1,048 - 692
8. 78,432 - 71,496​

Answer 1

Answer:

1..551

2..5536

3..18697

4..1551

5..528

6..4224

7..356

8..6936

Answer 2

Answer:

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