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DedPeter [7]
4 years ago
15

Help i dont understand this problem

Mathematics
1 answer:
BigorU [14]4 years ago
5 0
-15-(-18)=-15 +(-18)=-33
-×-=+ +×-= -
-15×-(-18)= 3
-15×+(-18)=-33
3-33=-33
-30=-30
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