Question

Simplify the following numerical expressions,
1. 15 - 6 + 10 - 2
4. 207 + 108 - 127
7. 40 + 5 - 3
10. 645 + 295 - 135 x 4
13. 950 - 125 x 0 + 625 + 25 - 5 x 5
2. 54 - 17 +9
5. 7 -5 + 3 + 279
8. 32 - 45 4 5+ 3
11. 2880 — 48 + 160 - 200
3. 48 - 39 + 150
6. 28 - 4-7 +2
9. 34,217 + 1335 - 28,143
12. 128 - 47 21 -3 + 1250 ​

Answer 1

Answer:

Step-by-step explanation:

1. 20

4. 188

7. 42

10. 3220

13. 3225

2. 46

5. 284

8. ??

11. 2792

3. 159

6. 19

9. 7409

12.??

something is missing from 8 and 12

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