Mathematics
AllenConkrite
2015-11-20 09:01:12
Please help me with this
ANSWERS
ant58
2015-11-20 14:21:22

9. -2 +(-9) 10. -8 + (-4) 11. 6 + 2 12. 5 +7 13. -1 + 3 14. -3 + 8

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