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Mathematics, 28.08.2019 01:10 ashleygervelus

Simplify the following
will match a letter 1
1. 15 - 7
2. 7 - 13
3. -4- 8
4. 1 - 17
5. 23 - 8
6. -6--2
7. 3 - -8
8. 0 - -2
9. -3 - 6
10.-11--11
11. 6 - 13
12. -8 -21
13. -7 - -10
just so you know they have to be simplified

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Simplify the following
will match a letter 1
1. 15 - 7
2. 7 - 13
3. -4- 8
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