Question

Se dau numerele:     x=(30+6:6)X 10-10:10  si  y=(30:6)X5-10X2-4.   Care sunt affirmatiile : x<y; x=y. ;x>y este adevarata?

Answer 1

X=(30+6:6)×10-10:10
   =(30+1)×10-1
   =31×10-1
    =310-1
    =309
Y=(30:6)×5-10×2-4
  =5×5-20-4
  =25-20-4
   =1
Deci x>y......