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224 < 512 < 108 ( ) 224 < 108 < 512 ( ) )
108 < 512 < 224 ( ) 512 < 224 < 108 ( )
: .0 <a <b <c
[AMC8 2007] (

c =a ( ) a +b <c ( ) ab < c ( ) a + c < b ( )

b 0<p <1 [Aust.Math.comp.1983] (
.
)

. p3 > p2 ( ) p > 1 ( ) 1 > p ( ) p> p () )

p p
b<0 a>0
[Aust.Math.Comp.1978] (

.ab > 0 ( ) a −b > 0 ( ) −a > b ( ) a > −b ( )

0<b <a 0<y <x ( )
)
x <y () x <y ( ) x >y ( ) x >y () )
ab ba )
ab ba

: .y < 0 x > 0 (

1>x () 1 <y ( ) 1<1 ( ) 1 > 1 ()

y x xy xy

c = 23 3 b = 3 2 3 a = 33 2 (

b <a <c ( ) c <a <b ()

c <b <a ( ) b <c <a ( )

:(

33< 2<55 ( ) 2 < 3 3 < 55 ()