mckenziehenry2
mckenziehenry2
02-09-2016
Mathematics
contestada
help i dont understand this problem
Respuesta :
TheGhostPlayer
TheGhostPlayer
02-09-2016
-15-(-18)=-15 +(-18)=-33
-×-=+ +×-= -
-15×-(-18)= 3
-15×+(-18)=-33
3-33=-33
-30=-30
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