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Shkiper50 [21]
3 years ago
12

-(-7-9-20)+(-3+11-21)

Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0
<span>-(-7-9-20)+(-3+11-21)
= 7 + 9 + 20 - 3 + 11 - 21
= 47 - 24
= 23</span>
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