Question

Answer 1

có ai chới roblox ko

 

Answer 2

\(a,a-b-c=45-175-\left(-130\right)=-130-\left(-130\right)=-130+130=0\\ b,a-b-c=-350-\left(-370\right)-85=-350+370-85=20-85=-65\\ c,a-b-c=-720-\left(-370\right)-\left(-250\right)=-720+\left(370+250\right)=-720+620=-100\)